Overstep recording device

Details Overstep recording device Overstep recording device

G - Physics

08

B

340/124

G08B 21/00 (2006.01) A63B 71/06 (2006.01) H01H 3/24 (2006.01)

Patent

CA 1232646

ABSTRACT OF THE DISCLOSURE A device for use in connection with sports and athletics exercise for recording overstep in relation to a predetermined reference line, which may be a start line or a take-off line for measuring the length of a jump or throw. The device comprises a step cushion which is located in direct connection to the reference line and extends along the line, and which encloses an airtight cavity of a definite volume provided with air of a predetermined pressure, and which is capable upon being loaded on its upper surface of instantaneously reducing the volume of the cavity for obtaining a pressure increase, and a pressure indicator connected to the cavity which in response to such pressure increase causes a signal member to emit an optical and/or acoustical signal.

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