US3678876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jib sheet apparatus for sailboats
Assignee: Coast Catamaran Corp
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Filing: 1971-02-16
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Granted: 1972-07-25
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Expires: 1991-02-16
Abstract
Abstract A jib sheet apparatus for a sailboat that includes a pair of cleat-block units mounted on opposite sides of the sailboat. Each cleat-block unit is tiltably resiliently supported above its mounting point on the boat. A jib sheet has its opposite ends dead-ended on the cleat-block units, with the bight portions of the jib sheet travelling through such units and being releasably secured to such units by the cleat member thereof.
Inventors
- 👤 Hobart L Alter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:46
CPC Classifications
B; B63; B63H; B63H9/00; B63H9/04; B63H9/08; B63H9/10; B63H2009/088; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/394; Y10T24/3951
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
106 words
Jib sheet apparatus for controlling the jib sail of a sailboat, comprising: a pair of like cleat-block units, each including a housing that carries a sheave and a cam cleat; deck mount means on said sailboat for each of said cleat-block units; a jib sheet extending through said housing and the sheave and cam cleats thereof; and connection means interposed between each of said housings and its respective deck mount means that tiltably resiliently support each said housing in a generally vertically extending position to receive said jib sheet while permitting said housing to swivel about a vertical axis under the influence of said jib sheet.
Claim 2
Dependent Claim
106 words
Jib sheet apparatus for controlling the jib sail of a sailboat, comprising: a pair of like cleat-block units, each including a housing that carries a sheave and a cam cleat; deck mount means on said sailboat for each of said cleat-block units; a jib sheet extending through said housing and the sheave and cam cleats thereof; and connection means interposed between each of said housings and its respective deck mount means that tiltably resiliently support each said housing in a generally vertically extending position to receive said jib sheet while permitting said housing to swivel about a vertical axis under the influence of said jib sheet.
Claim 3
Dependent Claim
43 words
Jib sheet apparatus as set forth in claim 1 wherein said apparatus includes a pair of traveler tracks secured to opposite sides of said sailboats, and said deck mount means includes a pair of cars adjustably slidably carried by a respective traveler track.
Claim 4
Dependent Claim
49 words
Jib sheet apparatus as set forth in claim 1 wherein each of said connection means includes upper and lower spring support elements, a spring interposed therebetween, a rigid connection between said lower spring support element, and a swivel connection between said upper spring support element and its respective housing.
Claim 5
Dependent Claim
68 words
Jib sheet apparatus as set forth in claim 1 wherein said apparatus further includes block means on the clew of said jib sail, and said cleat-block units are each provided with an anchor pin that receives the dead-ends of said jib sheet, with said jib sheets extending from said anchor pins through said block means and then back through the sheaves and cam cleats of said cleat-block units.
Claim 6
Dependent Claim
49 words
Jib sheet apparatus as set forth in claim 2 wherein each of said connection means includes upper and lower spring support elements, a spring interposed therebetween, a rigid connection between said lower spring support element, and a swivel connection between said upper spring support element and its respective housing.
Claim 7
Dependent Claim
68 words
Jib sheet apparatus as set forth in claim 2 wherein said apparatus further includes block means on the clew of said jib sail, and said cleat-block units are each provided with an anchor pin that receive the dead-ends of said jib sheet, with said jib sheets exteNding from said anchor pins through said block means and then back through the sheaves and cam cleats of said cleat-block units.
Claim 8
Dependent Claim
68 words
Jib sheet apparatus as set forth in claim 3 wherein said apparatus further includes block means on the clew of said jib sail, and said cleat-block units are each provided with an anchor pin that receive the dead-ends of said jib sheet, with said jib sheets extending from said anchor pins through said block means and then back through the sheaves and cam cleats of said cleat-block units.
Claim 9
Dependent Claim
52 words
Jib sheet apparatus as set forth in claim 3 wherein said spring support elements are cups, said spring is of the coil type having its upper and lower ends seated in said cups, and said cups are provided with interlocked eyes to transfer tension between said cups while permitting relative tilting therebetween.
Claim 10
Dependent Claim
43 words
Jib sheet apparatus as set forth in claim 8 wherein said apparatus includes a pair of traveler tracks secured to opposite sides of said sailboat, and said deck mount means includes a pair of cars adjustably slidably carried by a respective traveler track.
Claim 11
Dependent Claim
68 words
Jib sheet apparatus as set forth in claim 9 wherein said apparatus further includes block means on the clew of said jib sail, and said cleat-block units are each provided with an anchor pin that receive the dead-ends of said jib sheet, with said jib sheets extending from said anchor pins through said block means and then back through the sheaves and cam cleats of said cleat-block units.
References Cited (Backward Citations)
US2627834A
Cited
US2978217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |