US2220557A - Skate - Google Patents

Description

A. USER SKATE Nov. 5, 1940.

Filed April 20, 1939 gm A m E Patented Nav. 5, 1940 UNITED STATES PATENT OFFICE SKATE.

Armand User, Paris, France Application April zo, 1939, serial No. 269,038 In Lnxembil'l April 28, 1938 3 Claims.

m order to avoid the harm that might be caused the ball bearings during fast and suiilciently prolonged skating.

It is known in fact that while the skate is working, the ball bearings with which the rollers 1| are provided heatup and may -in the end be raised to a fairly high temperature which is liable to cause the bail bearing to seize.

In order to overcome this drawback, the general means of the invention consists in providing the skate with ventilation orifices.

According to the invention, said orices are preferably provided on the outer surface of the skate; they communicate with a longitudinal channel provided in the upper part of the blade,

above the rollers; they are provided with a grating or screen so as to prevent dust from penetrating in the hollow parts of the blade. The other features of the invention will become apparent from the ensuing description.

3 In the accompanying drawing, an embodiment of the invention has been shown by way of example and in an absolutely diagrammatical manner.

Fig. 1 is an elevational view of the improved skate, constructed according to the invention;

Fig. 2 is a longitudinal sectional view of same; this iigure shows the longitudinal channel or passage provided inside the blade above the rollers and cavities adapted to accommodate 0 said rollers;

Fig. 3 is a section along the line III-III of Fig. 2; Fig. 4 is a section along the line IV-IV of Fig. 3; this gure shows the direction of circulation of the air through the ventilation orices when the skate is moving in the direction of the arrow F.

As can be seen in these figures, the improved skate which is the object of the present invention comprises two substantially horizontal plates I and 2 which are intended to act as supports respectively for the heel and for the front part of the skaters shoe.

In the extension of these two supports, the skate is provided with a blade 3 made of s' el or of any other appropriate metal, and of identical shape to that of the blade of a skate used for ice-skating.

The blade 3 is provided. in its lower part, with a number (7 in the example shown) of cavities 4, each adapted to receive a roller 5 mounted on a spindle 8 through the intermediary of a ball bearing 1.

Said blade is furthermore provided, in its upper part, with a longitudinal channel or passage 8 which communicates with the atmosphere through ventilation orifices 9 which are inclined at a suitable angle so as to enhance the circulation of the air in the internal passage and in the hollow parts of the blade and to eect the cooling of the rollers and of the ball bearings u during skating. It will be realized, in particular by examining Fig. 4, that the cooling effect is more intense as the speed of skating is higher.

In order to prevent dust from penetrating into the blade of the skate and the clogging of the l0 ball bearings that might be caused thereby, gratings or screens I0 havevbeen provided over'the ventilation oriiices. v

One of the essential features of the invention consists i'n the arrangement, on the front part 2l of the skate, of a disc il embedded in the skate and projecting from same; said disc, which may be made of any suitable material, acts as a bearing surface for the skater when he is doing certain iigures.

The device which has just been described and illustrated may be subjected to modifications of detail without for that reason departing from the spirit of the invention.

Thus, the number and size of the rollers may u be modified from one case to the other. Experience has shown, however, that for the eicient operation of the skate, it is absolutely necessary for same to be provided, i'n its medial part, with a bearing roller on which the skater can bear while rocking on one or other of the rollers placed on either side of the bearing roller.

It is also possible to change the number, the

shape and the arrangement of the ventilation a orifices.

Furthermore, it is possible, in order to deaden the noise of the skate while it -is working, to mount parts made oi rubber or of any other appropriate sound deadening material on the rollers 50 or on the members supporting same.

The invention also has for its object the new article of manufacture formed by a skate provided with the above specified improvements used separately or in combination.

What I claim is:

l. A skate oi' the character described comprising shoe supporting means, ablade depending from said supporting'means, the lower part of 5 said depending blade being hollow to provide a pair of spaced walls deilning therebetween a downwardly-opening channel extending along the major portion of the blade, a plurality of antifrictionally-journaled rollers mounted at 10 longitudinally spaced intervals in said channel,

' said rollers 'projecting downwardly beyond said blade, said spaced walls being provided with forwardly-fiared conduits extending obliquely therethrough, and dust-illtering means positioned ll over the outer ends of said conduits.

2. A skate of the character described comprising means for supporting the skaters shoe, a blade depending from and integral with said supporting means, said depending blade termin- I0 ating adjacent the lower end thereof in a pair of spaced walls dening a longitudinally extending channel therebetween, a plurality of antifrictionally-journaled rollers mounted at longitudinally spaced intervals in said channel, said Il rollers projecting downwardly beyond said blade,

duits extending obliquely therethrough, a dust- 15` filtering cover at the inlet end of each said conduit, and a plurality of antifriction rollers mounted in longitudinally spaced relation adjacent the bottom of said channel and extending only part way into the latter, said conduits 2o terminating interiorly at points above said rollers, and the spaces between the latter providing outlets i'or air introduced into said channel through said conduits.

ARMAND USER. g5

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