Patent US3827386A successfully refreshed from Google Patents.
US3827386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for lowering the mast on sailboats
Assignee: Individual
•
Filing: 1973-07-09
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Granted: 1974-08-06
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Expires: 1993-07-09
Abstract
Abstract This invention provides means for lowering the mast on a sailboat without requiring any adjustment or release of the shrouds, stays or sails. The invention comprises vertical support means pivotally secured at one end to the hull of the sailboat, the second end being pivotally secured to an intermediate position on a mast, the lower end of the mast being pivotally and slidably secured to the hull of the sailboat.
Inventors
- 👤 C Faden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:49
CPC Classifications
B; B63; B63B; B63B15/00; B63B15/02
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
134 words
A sailboat comprising: a hull; vertical mast support means pivotally attached at one end to the hull; a mast having a lower and an upper end, the mast being pivotally attached to a second end of the vertical mast support means at a location intermediate the ends of the mast, and the lower end of the mast being pivotally and slidably connected to the hull; and guide means for directing the slidable lower end of the mast in a longitudinal direction; whereby, the mast can be moved between a vertical position and an inclined position by sliding the lower end of the mast longitudinally along the hull while pivoting the intermediate portion of the mast relative to the vertical support means and the lower end of the vertical support member relative to the hull.
Claim 2
Dependent Claim
134 words
A sailboat comprising: a hull; vertical mast support means pivotally attached at one end to the hull; a mast having a lower and an upper end, the mast being pivotally attached to a second end of the vertical mast support means at a location intermediate the ends of the mast, and the lower end of the mast being pivotally and slidably connected to the hull; and guide means for directing the slidable lower end of the mast in a longitudinal direction; whereby, the mast can be moved between a vertical position and an inclined position by sliding the lower end of the mast longitudinally along the hull while pivoting the intermediate portion of the mast relative to the vertical support means and the lower end of the vertical support member relative to the hull.
Claim 3
Dependent Claim
35 words
A sailboat in accordance with claim 1 wherein the guide means comprises a track, extending from the lower end of the vertical support means towards the bow of the boat and connected to the boat.
Claim 4
Dependent Claim
47 words
A sailboat in accordance with claim 2 comprising sliding means attached to the lower end of the mast and wherein the sliding means and the track are so interlocked as to prevent lateral or vertical movement of the lower end of the mast relative to the track.
Claim 5
Dependent Claim
13 words
A sailboat in accordance with claim 3 wherein the sliding means are rollers.
Claim 6
Dependent Claim
59 words
A sailboat in accordance with claim 1 wherein the vertical support means comprises spaced vertically extending side walls, the mast being connected between the side walls such that when the mast is in the vertical position, the mast is supported by the side walls from the intermediate pivot location on the mast to the lower end of the mast.
Claim 7
Dependent Claim
17 words
A sailboat in accordance with claim 1 comprising in addition a boom pivotally secured to the mast.
Claim 8
Dependent Claim
37 words
A sailboat in accordance with claim 1 comprising in addition mast step means, at the first end of the vertical support means, designed and adapted to support the mast when the mast is in the vertical position.
Claim 9
Dependent Claim
33 words
A sailboat in accordance with claim 1 comprising in addition drive means for sliding the lower end of the mast and to thus move the mast between a vertical and an inclined position.
Claim 10
Dependent Claim
31 words
A sailboat in accordance with claim 1 comprising, in addition, locking means for securing the mast to the vertical support means so as to lock the mast into a vertical position.
References Cited (Backward Citations)
US477477A
Cited
US1375400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |