US4547980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprocket device for the fastening of ski-boots
Assignee: Canstar Italia SpA
•
Filing: 1983-04-18
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Granted: 1985-10-22
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Expires: 2003-04-18
Abstract
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.
Inventors
- 👤 Oliviero Olivieri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:51
CPC Classifications
A; A43; A43C; A43C11/00; A43C11/14; A43C11/1406; A43C11/1413; A43C11/146; A63; A63C; A63C9/00; A63C9/24; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1416; Y10T24/21; Y10T24/2102; Y10T24/2104; Y10T24/2106; Y10T24/2143; Y10T24/216
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
168 words
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.
Claim 2
Independent Claim
168 words
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.
Claim 3
Dependent Claim
25 words
A device as defined in claim 1, wherein the ratchet mechanism for advancing the sprocket is operated by a lever pivoted to the support plate.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-10-21 | 1989-04-22 | 1989-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-21 | 1993-04-22 | 1993-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-21 | 1997-04-22 | 1997-10-22 | $7700.00 | Window Closed / Lapsed |