US791548A - Set-screw. - Google Patents
Set-screw. Download PDFInfo
- Publication number
- US791548A US791548A US15843703A US1903158437A US791548A US 791548 A US791548 A US 791548A US 15843703 A US15843703 A US 15843703A US 1903158437 A US1903158437 A US 1903158437A US 791548 A US791548 A US 791548A
- Authority
- US
- United States
- Prior art keywords
- screw
- locking member
- locking
- aperture
- key
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/64—Making machine elements nuts
- B21K1/70—Making machine elements nuts of special shape, e.g. self-locking nuts, wing nuts
- B21K1/707—Self-locking nuts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
- Y10S411/919—Screw having driving contacts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
- Y10S411/924—Coupled nut and bolt
- Y10S411/929—Thread lock
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
- Y10S411/924—Coupled nut and bolt
- Y10S411/929—Thread lock
- Y10S411/931—Superposed nuts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/17—Socket type
- Y10T279/17761—Side detent
- Y10T279/17821—Set screw
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/70—Interfitted members
- Y10T403/7041—Interfitted members including set screw
Definitions
- My present invention relates to improvements in set-screws, and has for its object to provide an article that can be readily and cheaply manufactured, but which will obviate many of the diiiculties of manipulation that have characterized the use of former devices.
- the ordinary set-screw formed by cutting threads upon the outer surface of solid cylinders of metal and providing One end thereof with a shallow slot or recess. for the key or other instrument by means of which it is adjusted has been found to have as its chief objection a tendency to become jammed either from rust, mutilation, orthe lodgment of foreign substances inthe tapping, and the means provided have proved inadequate to effect its immediate removal.
- the device consists, essentially, of a hollow engaging screw 1, closed at one end and provided with an aperture 2, which Ihave shown hexagonal in shape to conform as near as possible with the contour of the piece without weakening it, though it may be of any anguwrench inserted therein.
- the closed end is beveledat 3 and provided with either a convex or concave face 4, accordingly as adapted to engage a flat or rounded surface.
- the locking member 5 is similarly constructed, but is 0pen ⁇ at both ends and has the aperture extending throughout its entire length.
- the method of using the device is as follows:
- the locking member is slipped upon the shank of a mandrel or key 6, ⁇ similar in crosssection ⁇ to its interior and adapted to engage therewith, and the latter isthen inserted in the aperture in the member'l, when both are driven together until the latter forms a/bite with the surface-to be engaged.
- the key is then partially withdrawn, as shown in Fig. 3, until it engages with the locking membe/Il only, when the latter is independently driven into firm contact with theupper surface of the engaging member, securing it in its position.
- In releasing the connection/the locking member is first started until the keyshank is permitted to operate in the aperture in the engaging member, when vboth may be withdrawn either totally or partially.
- threaded sections one of said sections having en irregular aperture extending ltherethrough and the other an raperture therein adjacent thefirst section, said sections having on their proximate ends faces adapted to frictionally IO engage with each other;
Description
- UNITED* SIATESA financed June o, 1905.
PATENT v OFFICE.
MAX II. FISCHER, OF' EASTORANCE, NEW JERSEY, Ass'IeNoav To HOLLOW. Y SCREW COMPANY, O F NEW YORK, N. Y., A CORPORATION OE NEW YORK.
SET-SCREW.
SPECIFICATION forming part of Letters Patent No. 791,548, dated June 6, 1905.
Application led Hay 23, 1908. Serial No. 158,437- I To all whom it may concern:
Be it known that I, MAx H. FISCHER, of East Orange, in the county of Essex and State of New Jersey, have invented certain new and useful Improvementsl in Set-Screws; and I do hereby declare the following to be a full, clear, and exact description of the same,
reference being had to the accompanying drawings, forming a part of this specification, and to the reference-numerals marked thereon.
My present invention relates to improvements in set-screws, and has for its object to provide an article that can be readily and cheaply manufactured, but which will obviate many of the diiiculties of manipulation that have characterized the use of former devices. The ordinary set-screw formed by cutting threads upon the outer surface of solid cylinders of metal and providing One end thereof witha shallow slot or recess. for the key or other instrument by means of which it is adjusted has been found to have as its chief objection a tendency to become jammed either from rust, mutilation, orthe lodgment of foreign substances inthe tapping, and the means provided have proved inadequate to effect its immediate removal. Furthermore, when once f broken or crushed yin its adjusted position it has required a large expenditure of time and labor to extricate the fragments. Therefore I have' devised an article which effectually eliminates these difficulties, as the force exerted to cause its removal is directly applied throughout its whole length, which equalizes the strain anddissipates any tendency it may` have to twist or break; and my device is further designed to provide a simple and 4convenient. method of locking the screw in its ad-v justed position by using it in conjunction with another in such a manner that both maybe easily released witlfout necessitating the separate removal of either.
1n the drawings, Figure 1 is a'perspective view of the screw. Fig. 2 is a cross-sectional lview of' a shaft and hub to which the screw is applied`with the latter in process of -adjustd ment, and Fig. 3 is a similar view showingthe method of Operating the locking connection.
Similar reference-numerals in the three figures indicate similar parts.
The device consists, essentially, of a hollow engaging screw 1, closed at one end and provided with an aperture 2, which Ihave shown hexagonal in shape to conform as near as possible with the contour of the piece without weakening it, though it may be of any anguwrench inserted therein. The closed end is beveledat 3 and provided with either a convex or concave face 4, accordingly as adapted to engage a flat or rounded surface. The locking member 5 is similarly constructed, but is 0pen\at both ends and has the aperture extending throughout its entire length. The inner end of the locking member and the outer end of the nut are each provided with the attened faces, as shown, so that as the former is forced into engagement with the latter there will be considerable frictional engagement between the abutting faces, which will serve to hold both the nut and the locking member in position. v v
The method of using the device is as follows: The locking member is slipped upon the shank of a mandrel or key 6,` similar in crosssection` to its interior and adapted to engage therewith, and the latter isthen inserted in the aperture in the member'l, when both are driven together until the latter forms a/bite with the surface-to be engaged. The key is then partially withdrawn, as shown in Fig. 3, until it engages with the locking membe/Il only, when the latter is independently driven into firm contact with theupper surface of the engaging member, securing it in its position. In releasing the connection/the locking member is first started until the keyshank is permitted to operate in the aperture in the engaging member, when vboth may be withdrawn either totally or partially. I
It will be understood that I- do not limit my.
lar or irregular form that will not admit ofL n the free rotation of ay similarly-shaped key or self to a set-screw of two-parts only, as any number may be used in series and locked suc-- A set-screw composed of two exteriorly-,
threaded sections, one of said sections having en irregular aperture extending ltherethrough and the other an raperture therein adjacent thefirst section, said sections having on their proximate ends faces adapted to frictionally IO engage with each other;
MAX H. FISCHER.
Witnesses:
HARRY T. DEANE, DOUGLAS JOHNSON.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15843703A US791548A (en) | 1903-05-23 | 1903-05-23 | Set-screw. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15843703A US791548A (en) | 1903-05-23 | 1903-05-23 | Set-screw. |
Publications (1)
Publication Number | Publication Date |
---|---|
US791548A true US791548A (en) | 1905-06-06 |
Family
ID=2860037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15843703A Expired - Lifetime US791548A (en) | 1903-05-23 | 1903-05-23 | Set-screw. |
Country Status (1)
Country | Link |
---|---|
US (1) | US791548A (en) |
Cited By (68)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2430532A (en) * | 1945-02-20 | 1947-11-11 | Ralph W Rayburn | Pin setting tool |
US2446846A (en) * | 1943-07-10 | 1948-08-10 | Lilly Florence Shirley Noble | Joint construction |
US2522994A (en) * | 1946-07-19 | 1950-09-19 | Gen Electric | Electric circuit interrupter |
US2530560A (en) * | 1947-07-05 | 1950-11-21 | Charles A Young | Safety lock for firearms |
US2573123A (en) * | 1948-01-07 | 1951-10-30 | Cornell Dubilier Electric | Apparatus and procedure for filling electrical capacitors and the like |
US2607616A (en) * | 1946-05-20 | 1952-08-19 | Leo R Davidson | Handle for valve stems and the like |
US2629175A (en) * | 1949-08-03 | 1953-02-24 | Rocky Mountain Arms Equipment | Telescope sight mount for rifles |
US2717004A (en) * | 1949-04-18 | 1955-09-06 | Page Oil Tools Inc | Multiple valve |
US2775913A (en) * | 1955-07-20 | 1957-01-01 | Deliso John | Self-gripping tool with resilient wires for turning socket head fasteners |
US2830635A (en) * | 1954-07-20 | 1958-04-15 | Harold C Thorstens | Self-locking set screw having frangible intermediate portion |
US2953165A (en) * | 1957-05-16 | 1960-09-20 | Charles B Reynolds | Multi-purpose syphoning valve |
US2954993A (en) * | 1957-11-04 | 1960-10-04 | Moog Industries Inc | Ball joint assembly |
US3044584A (en) * | 1959-05-27 | 1962-07-17 | Harris Foundry & Machine Co | Hollow cap screw assembly with displaceable plug |
US3058211A (en) * | 1958-09-29 | 1962-10-16 | Harold B Axtell | Method and apparatus for securing a stud or screw |
US3144293A (en) * | 1962-09-13 | 1964-08-11 | Allen Bradley Co | Dual terminal connector |
US3375836A (en) * | 1965-03-04 | 1968-04-02 | Domeneghetti Lara | Folding and automobile-transportable camping tent |
US3641860A (en) * | 1969-11-14 | 1972-02-15 | Lawrence V Whistler Sr | Punch retainer assembly |
US3909077A (en) * | 1973-08-20 | 1975-09-30 | Leco Corp | Pivot assembly mounting apparatus |
US4299318A (en) * | 1975-12-02 | 1981-11-10 | Shimano Industrial Company Limited | Unit hub for bicycles |
US4309140A (en) * | 1979-10-03 | 1982-01-05 | LeVone A. Blough | Self-locking threaded fastener and unlocking tool combination |
US4386393A (en) * | 1980-10-21 | 1983-05-31 | Pike Machine Products Company | Adjustable frictional drag lamp swivel |
US4890521A (en) * | 1989-05-15 | 1990-01-02 | Crysler Motors Corporation | Self-gripping power screw driver bit |
US5070662A (en) * | 1990-05-15 | 1991-12-10 | Robbins, Inc. | Insert for locking portable dance floor sections |
US5697929A (en) * | 1995-10-18 | 1997-12-16 | Cross Medical Products, Inc. | Self-limiting set screw for use with spinal implant systems |
US6056753A (en) * | 1998-07-13 | 2000-05-02 | Jackson; Roger P. | Set screw for use with osteosynthesis apparatus |
US6059786A (en) * | 1998-10-22 | 2000-05-09 | Jackson; Roger P. | Set screw for medical implants |
US6179841B1 (en) | 1997-01-06 | 2001-01-30 | Medtronic Sofamor Danek, Incorporated | Set screw for use with osteosynthesis apparatus |
US6193719B1 (en) | 1995-08-24 | 2001-02-27 | Sofamor S.N.C. | Threaded clamping plug for interconnecting two implants of a spinal osteosynthesis instrumentation or other implants |
US6224596B1 (en) | 1997-01-06 | 2001-05-01 | Roger P. Jackson | Set screw for use with osteosynthesis apparatus |
US6454768B1 (en) | 2000-12-05 | 2002-09-24 | Roger P. Jackson | Removable gripping set screw |
US6454772B1 (en) | 2000-12-08 | 2002-09-24 | Roger P. Jackson | Set screw for medical implant with gripping side slots |
US6478795B1 (en) | 1994-08-29 | 2002-11-12 | Sofamor S.N.C. | Torque limiting clamping plug for osteosynthesis instrumentation |
US6726687B2 (en) | 2000-12-08 | 2004-04-27 | Jackson Roger P | Closure plug for open-headed medical implant |
US20040122481A1 (en) * | 1997-08-01 | 2004-06-24 | Tidemand Kevin K. | Connector header for an implantable medical device |
US20040167523A1 (en) * | 2000-12-08 | 2004-08-26 | Jackson Roger P. | Closure for rod receiving orthopedic implant having a pair of spaced apertures for removal |
US20050131420A1 (en) * | 2003-12-16 | 2005-06-16 | Techiera Richard C. | Pivoting implant holder |
US20050131483A1 (en) * | 2003-12-11 | 2005-06-16 | Jennifer Zhao | Connector header setscrew for an implantable medical device |
US20050131419A1 (en) * | 2003-12-16 | 2005-06-16 | Mccord David | Pivoting implant holder |
US8128667B2 (en) | 2002-09-06 | 2012-03-06 | Jackson Roger P | Anti-splay medical implant closure with multi-surface removal aperture |
US8137386B2 (en) | 2003-08-28 | 2012-03-20 | Jackson Roger P | Polyaxial bone screw apparatus |
US8257402B2 (en) | 2002-09-06 | 2012-09-04 | Jackson Roger P | Closure for rod receiving orthopedic implant having left handed thread removal |
US8273109B2 (en) | 2002-09-06 | 2012-09-25 | Jackson Roger P | Helical wound mechanically interlocking mating guide and advancement structure |
US8366753B2 (en) | 2003-06-18 | 2013-02-05 | Jackson Roger P | Polyaxial bone screw assembly with fixed retaining structure |
US8377100B2 (en) | 2000-12-08 | 2013-02-19 | Roger P. Jackson | Closure for open-headed medical implant |
US8398682B2 (en) | 2003-06-18 | 2013-03-19 | Roger P. Jackson | Polyaxial bone screw assembly |
US8814913B2 (en) | 2002-09-06 | 2014-08-26 | Roger P Jackson | Helical guide and advancement flange with break-off extensions |
US8852239B2 (en) | 2013-02-15 | 2014-10-07 | Roger P Jackson | Sagittal angle screw with integral shank and receiver |
US8870928B2 (en) | 2002-09-06 | 2014-10-28 | Roger P. Jackson | Helical guide and advancement flange with radially loaded lip |
US8911478B2 (en) | 2012-11-21 | 2014-12-16 | Roger P. Jackson | Splay control closure for open bone anchor |
US8926670B2 (en) | 2003-06-18 | 2015-01-06 | Roger P. Jackson | Polyaxial bone screw assembly |
US8926672B2 (en) | 2004-11-10 | 2015-01-06 | Roger P. Jackson | Splay control closure for open bone anchor |
US8998960B2 (en) | 2004-11-10 | 2015-04-07 | Roger P. Jackson | Polyaxial bone screw with helically wound capture connection |
US9308027B2 (en) | 2005-05-27 | 2016-04-12 | Roger P Jackson | Polyaxial bone screw with shank articulation pressure insert and method |
US9414863B2 (en) | 2005-02-22 | 2016-08-16 | Roger P. Jackson | Polyaxial bone screw with spherical capture, compression insert and alignment and retention structures |
US20160245321A1 (en) * | 2014-08-22 | 2016-08-25 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Screw threaded fastening component |
US9451993B2 (en) | 2014-01-09 | 2016-09-27 | Roger P. Jackson | Bi-radial pop-on cervical bone anchor |
US9522021B2 (en) | 2004-11-23 | 2016-12-20 | Roger P. Jackson | Polyaxial bone anchor with retainer with notch for mono-axial motion |
US9566092B2 (en) | 2013-10-29 | 2017-02-14 | Roger P. Jackson | Cervical bone anchor with collet retainer and outer locking sleeve |
US9597119B2 (en) | 2014-06-04 | 2017-03-21 | Roger P. Jackson | Polyaxial bone anchor with polymer sleeve |
US9636146B2 (en) | 2012-01-10 | 2017-05-02 | Roger P. Jackson | Multi-start closures for open implants |
US9662143B2 (en) | 2004-02-27 | 2017-05-30 | Roger P Jackson | Dynamic fixation assemblies with inner core and outer coil-like member |
USRE46431E1 (en) | 2003-06-18 | 2017-06-13 | Roger P Jackson | Polyaxial bone anchor with helical capture connection, insert and dual locking assembly |
US9717534B2 (en) | 2009-06-15 | 2017-08-01 | Roger P. Jackson | Polyaxial bone anchor with pop-on shank and friction fit retainer with low profile edge lock |
US9717533B2 (en) | 2013-12-12 | 2017-08-01 | Roger P. Jackson | Bone anchor closure pivot-splay control flange form guide and advancement structure |
US10058354B2 (en) | 2013-01-28 | 2018-08-28 | Roger P. Jackson | Pivotal bone anchor assembly with frictional shank head seating surfaces |
US10064658B2 (en) | 2014-06-04 | 2018-09-04 | Roger P. Jackson | Polyaxial bone anchor with insert guides |
US10349983B2 (en) | 2003-05-22 | 2019-07-16 | Alphatec Spine, Inc. | Pivotal bone anchor assembly with biased bushing for pre-lock friction fit |
US11229457B2 (en) | 2009-06-15 | 2022-01-25 | Roger P. Jackson | Pivotal bone anchor assembly with insert tool deployment |
-
1903
- 1903-05-23 US US15843703A patent/US791548A/en not_active Expired - Lifetime
Cited By (87)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2446846A (en) * | 1943-07-10 | 1948-08-10 | Lilly Florence Shirley Noble | Joint construction |
US2430532A (en) * | 1945-02-20 | 1947-11-11 | Ralph W Rayburn | Pin setting tool |
US2607616A (en) * | 1946-05-20 | 1952-08-19 | Leo R Davidson | Handle for valve stems and the like |
US2522994A (en) * | 1946-07-19 | 1950-09-19 | Gen Electric | Electric circuit interrupter |
US2530560A (en) * | 1947-07-05 | 1950-11-21 | Charles A Young | Safety lock for firearms |
US2573123A (en) * | 1948-01-07 | 1951-10-30 | Cornell Dubilier Electric | Apparatus and procedure for filling electrical capacitors and the like |
US2717004A (en) * | 1949-04-18 | 1955-09-06 | Page Oil Tools Inc | Multiple valve |
US2629175A (en) * | 1949-08-03 | 1953-02-24 | Rocky Mountain Arms Equipment | Telescope sight mount for rifles |
US2830635A (en) * | 1954-07-20 | 1958-04-15 | Harold C Thorstens | Self-locking set screw having frangible intermediate portion |
US2775913A (en) * | 1955-07-20 | 1957-01-01 | Deliso John | Self-gripping tool with resilient wires for turning socket head fasteners |
US2953165A (en) * | 1957-05-16 | 1960-09-20 | Charles B Reynolds | Multi-purpose syphoning valve |
US2954993A (en) * | 1957-11-04 | 1960-10-04 | Moog Industries Inc | Ball joint assembly |
US3058211A (en) * | 1958-09-29 | 1962-10-16 | Harold B Axtell | Method and apparatus for securing a stud or screw |
US3044584A (en) * | 1959-05-27 | 1962-07-17 | Harris Foundry & Machine Co | Hollow cap screw assembly with displaceable plug |
US3144293A (en) * | 1962-09-13 | 1964-08-11 | Allen Bradley Co | Dual terminal connector |
US3375836A (en) * | 1965-03-04 | 1968-04-02 | Domeneghetti Lara | Folding and automobile-transportable camping tent |
US3641860A (en) * | 1969-11-14 | 1972-02-15 | Lawrence V Whistler Sr | Punch retainer assembly |
US3909077A (en) * | 1973-08-20 | 1975-09-30 | Leco Corp | Pivot assembly mounting apparatus |
US4299318A (en) * | 1975-12-02 | 1981-11-10 | Shimano Industrial Company Limited | Unit hub for bicycles |
US4309140A (en) * | 1979-10-03 | 1982-01-05 | LeVone A. Blough | Self-locking threaded fastener and unlocking tool combination |
US4386393A (en) * | 1980-10-21 | 1983-05-31 | Pike Machine Products Company | Adjustable frictional drag lamp swivel |
US4890521A (en) * | 1989-05-15 | 1990-01-02 | Crysler Motors Corporation | Self-gripping power screw driver bit |
US5070662A (en) * | 1990-05-15 | 1991-12-10 | Robbins, Inc. | Insert for locking portable dance floor sections |
US6478795B1 (en) | 1994-08-29 | 2002-11-12 | Sofamor S.N.C. | Torque limiting clamping plug for osteosynthesis instrumentation |
US6193719B1 (en) | 1995-08-24 | 2001-02-27 | Sofamor S.N.C. | Threaded clamping plug for interconnecting two implants of a spinal osteosynthesis instrumentation or other implants |
US5697929A (en) * | 1995-10-18 | 1997-12-16 | Cross Medical Products, Inc. | Self-limiting set screw for use with spinal implant systems |
US6179841B1 (en) | 1997-01-06 | 2001-01-30 | Medtronic Sofamor Danek, Incorporated | Set screw for use with osteosynthesis apparatus |
US6224596B1 (en) | 1997-01-06 | 2001-05-01 | Roger P. Jackson | Set screw for use with osteosynthesis apparatus |
US7231253B2 (en) | 1997-08-01 | 2007-06-12 | Medtronic, Inc. | IMD connector header with grommet retainer |
US20040122481A1 (en) * | 1997-08-01 | 2004-06-24 | Tidemand Kevin K. | Connector header for an implantable medical device |
US6056753A (en) * | 1998-07-13 | 2000-05-02 | Jackson; Roger P. | Set screw for use with osteosynthesis apparatus |
US6102913A (en) * | 1998-10-22 | 2000-08-15 | Jackson; Roger P. | Removeable set screw for medical implant |
US6059786A (en) * | 1998-10-22 | 2000-05-09 | Jackson; Roger P. | Set screw for medical implants |
US6454768B1 (en) | 2000-12-05 | 2002-09-24 | Roger P. Jackson | Removable gripping set screw |
US7846187B2 (en) | 2000-12-08 | 2010-12-07 | Jackson Roger P | Closure plug for open headed medical implant |
US6726687B2 (en) | 2000-12-08 | 2004-04-27 | Jackson Roger P | Closure plug for open-headed medical implant |
US20040167523A1 (en) * | 2000-12-08 | 2004-08-26 | Jackson Roger P. | Closure for rod receiving orthopedic implant having a pair of spaced apertures for removal |
US20040186478A1 (en) * | 2000-12-08 | 2004-09-23 | Jackson Roger P. | Closure plug for open headed medical implant |
US8377100B2 (en) | 2000-12-08 | 2013-02-19 | Roger P. Jackson | Closure for open-headed medical implant |
US6454772B1 (en) | 2000-12-08 | 2002-09-24 | Roger P. Jackson | Set screw for medical implant with gripping side slots |
US6997927B2 (en) | 2000-12-08 | 2006-02-14 | Jackson Roger P | closure for rod receiving orthopedic implant having a pair of spaced apertures for removal |
US8876868B2 (en) | 2002-09-06 | 2014-11-04 | Roger P. Jackson | Helical guide and advancement flange with radially loaded lip |
US8870928B2 (en) | 2002-09-06 | 2014-10-28 | Roger P. Jackson | Helical guide and advancement flange with radially loaded lip |
US8814913B2 (en) | 2002-09-06 | 2014-08-26 | Roger P Jackson | Helical guide and advancement flange with break-off extensions |
US8591552B2 (en) | 2002-09-06 | 2013-11-26 | Roger P. Jackson | Anti-splay medical implant closure with multi-surface removal aperture |
US8282673B2 (en) | 2002-09-06 | 2012-10-09 | Jackson Roger P | Anti-splay medical implant closure with multi-surface removal aperture |
US8128667B2 (en) | 2002-09-06 | 2012-03-06 | Jackson Roger P | Anti-splay medical implant closure with multi-surface removal aperture |
US8257402B2 (en) | 2002-09-06 | 2012-09-04 | Jackson Roger P | Closure for rod receiving orthopedic implant having left handed thread removal |
US8273109B2 (en) | 2002-09-06 | 2012-09-25 | Jackson Roger P | Helical wound mechanically interlocking mating guide and advancement structure |
US10349983B2 (en) | 2003-05-22 | 2019-07-16 | Alphatec Spine, Inc. | Pivotal bone anchor assembly with biased bushing for pre-lock friction fit |
US8936623B2 (en) | 2003-06-18 | 2015-01-20 | Roger P. Jackson | Polyaxial bone screw assembly |
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