Automatic ski brake using stirrup-shaped spring wire

Details Automatic ski brake using stirrup-shaped spring wire Automatic ski brake using stirrup-shaped spring wire

1978-03-10

1980-10-14

Mitchell, David M.

Land vehicles

Skates

Runner type

A63C 710

Patent

active

042277140

ABSTRACT:
A device for braking a ski upon the release thereof from a ski boot which comprises a mounting plate affixed to the upper surface of the ski and a preferably one-piece U-shaped stirrup of spring wire having a bight and a pair of offset shanks received in and swingably mounted on the mounting plate. Upon depression of the bight of the spring-wire stirrup by the ski boot, the stirrup is deformed and swings a pair of brake elements or blades into an inoperative position parallel to the longitudinal edges of the ski. The deformation of the stirrup, because of nonplanarity of the stirrup or camming formations on the mounting plate, provides a prestress thereto which, upon release of the stirrup by the ski boot, causes the brake elements to swing into an operative position where they inhibit free flight of the ski.

REFERENCES:
patent: 3940158 (1976-02-01), Wehrli
patent: 3989271 (1976-11-01), Riedel
patent: 4066275 (1978-01-01), Martin
patent: 4078824 (1978-03-01), Riedel

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