Cross country ski linkage apparatus including pre-stressed blade

Details Cross country ski linkage apparatus including pre-stressed blade Cross country ski linkage apparatus including pre-stressed blade

1986-11-05

1990-07-17

Marmor, Charles A.

Land vehicles

Skates

Shoe attaching means

A63C 900

Patent

active

049416758

ABSTRACT:
A linkage apparatus between the end of a boot and a cross-country ski, includes a flexion blade adapted to be affixed to a ski by its anterior end and to receive the end of a ski boot or shoe at its posterior end has a lower surface which is fitted against an upper surface of a support plate attached to the ski or the ski itself. The lower surface of the blade and the upper side of the ski lie in planes which are non-complementary with respect to each other in a manner which creates during assembly of the boot to the ski a pre-stressed moment in the blade which tends to counteract the tendency of the rear portion of the blade to lift-off the ski when the material making up the blade becomes fatigued by maintaining the rear portion of the flexion blade pressed against the ski when the boot has been detached.

REFERENCES:
patent: 4365821 (1982-12-01), Kreyenbuhl
patent: 4410199 (1983-10-01), Eisenberg
patent: 4562653 (1986-01-01), Salomon
patent: 4647064 (1987-03-01), Salomon et al.

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