USRE7873E - Improvement in handcuffs - Google Patents
Improvement in handcuffs Download PDFInfo
- Publication number
- USRE7873E USRE7873E US RE7873 E USRE7873 E US RE7873E
- Authority
- US
- United States
- Prior art keywords
- improvement
- bar
- spring
- handcuffs
- lock
- Prior art date
Links
- 210000000707 Wrist Anatomy 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
Images
Definitions
- this improvement is similar to said previous device.
- the bolt of the lock being formed of a part of the spring, and acting at the outer side of the segment, was insecure and easily picked.
- the segment'piece a has recesses or notches d on the inner or concave side, next the wrist or joint b, and the lock is located in a recess between the segment and the center-joint b in the movable radius-arm c, the portion of the .movable arm beyond the mortise through which the segment passes being only just large enough for strength, and rounded 011', so as to afiord no projection for prying ofi the handcufi"; and the catches being on the concave side, next the wrist, prevents the insertion of anything to spring the bolt in that direction.
- the lock is formed of a spring-bolt, actuated by a spring that forms no part thereof.
- This bolt 0 is forced outward in a radial line by'a spring, f, there being a light spiral spring, 9, to retract it when the spring f is forced back by the key.
- a handcufl' having a segmental bar, a, with notches in the inner face and a swinging radius-bar, with the locking mechanism in said bar, between the center-joint and the segmental bar, substantially as set forth.
Family
ID=
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