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US 4,547,980 AGranted
Sprocket device for the fastening of ski-boots
AssigneeIcaro Olivieri & C.S.p.A.
InventorOliviero Olivieri
Life of this patent
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Abstract
A device for fastening ski-boots, and which permits fine adjustment of the tightness of the fastening to be effected quickly and easily, includes a sprocket supported rotatably on a support plate and a tie with a rack portion engageable by the sprocket. The device also includes a ratchet mechanism for advancing the sprocket relative to the rack portion to tension the tie, and a ratchet mechanism for locking the sprocket so as to maintain the tension of the tie.
Claims2
A device for fastening ski-boots and permitting a fine adjustment in the tightness of the fastening operation, wherein the device comprises:
- a support plate provided with flanges along the opposite sides thereof, whereby the support plate has a substantially U-shaped cross-section;
- a pin supported by said opposing flanges;
- a sprocket rotatably mounted on the pin;
- a tie constituted by a flexible strap having at least one portion thereof provided with a plurality of transverse teeth engageable by the sprocket;
- a ratchet mechanism for advancing the sprocket relative to said teeth to tension the tie;
- a lever for operating the ratchet mechanism, said lever being pivoted on said pin,
- a ratchet mechanism for locking the sprocket to maintain the tension of the tie;
- a slot defined by said lever and a slider movable into and out of said slot;
- respective slots formed in the flanges of the support plate, and a projecting tab formed on the slider for engagement with the slots of the flanges to lock the lever.
6 more elements
Dependencies are inferred from the claim text.