US3768823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skate sail
Assignee: WATERFUN Inc
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Filing: 1972-04-05
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Granted: 1973-10-30
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Expires: 1992-04-05
Abstract
Abstract A skate sail has a tubular, sectional mast and boom with the sections being joined by a split sleeve male member secured into one end of a section and telescopingly engageable into the adjacent section. The sail is secured to the mast and boom by provision of a hook on the sectional jib bow which closely engages a bore in the forward end of the boom. The sail peaks and tail bow are secured to each end of the mast and the rear end of the boom by halyards and a lanyard engaging jamb cleats having notched ends.
Inventors
- 👤 D Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:12
CPC Classifications
A; A63; A63C; A63C3/00
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
138 words
A skate sail assembly comprising in combination: A. a vertical mast, 1. having a jamb means for securing a line therein at each end thereof; B. a horizontal boom, 1. having a jamb means for securing a line therein at the tail end thereof; C. a flexible jib bow, 1. having means for engaging its central section with the forward end of said boom; D. a flexible tail bow; E. a sail member stretched between said jib bow and said tail bow, and 1. said sail being secured to each end of said mast and said tail bow to the tail end of said boom by means of lines from tne forward sail peaks and from the tail bow respectively, to said jamb means at the ends of said mast and at the tail end of said boom.
Claim 2
Dependent Claim
138 words
A skate sail assembly comprising in combination: A. a vertical mast, 1. having a jamb means for securing a line therein at each end thereof; B. a horizontal boom, 1. having a jamb means for securing a line therein at the tail end thereof; C. a flexible jib bow, 1. having means for engaging its central section with the forward end of said boom; D. a flexible tail bow; E. a sail member stretched between said jib bow and said tail bow, and 1. said sail being secured to each end of said mast and said tail bow to the tail end of said boom by means of lines from tne forward sail peaks and from the tail bow respectively, to said jamb means at the ends of said mast and at the tail end of said boom.
Claim 3
Dependent Claim
35 words
The skate sail defined in claim 1 wherein said mast and said boom are each comprised of telescoping sections having male and female end portions, said male portions having a longitudinal slot along their length.
Claim 4
Dependent Claim
65 words
two end sections telescopingly engageable with said central section; D. a tail bow; and E. a sail member stretched between said jamb means at each end of said mast and by a lanyard from said tail bow to said boom jamb means, the forward portion of said sail being held by said jib bow hook engaging said bore in the forward portion of said boom.
Claim 5
Dependent Claim
65 words
two end sections telescopingly engageable with said central section; D. a tail bow; and E. a sail member stretched between said jamb means at each end of said mast and by a lanyard from said tail bow to said boom jamb means, the forward portion of said sail being held by said jib bow hook engaging said bore in the forward portion of said boom.
Claim 6
Dependent Claim
20 words
jamb means for securing a line there in at the rear end of said boom for securing a lanyard thereto,
Claim 7
Dependent Claim
20 words
jamb means for securing a line there in at the rear end of said boom for securing a lanyard thereto,
Claim 8
Dependent Claim
22 words
jamb means for securing a line therein for securing a halyard at each end of said mast; B. a boom comprised of
Claim 9
Dependent Claim
22 words
jamb means for securing a line therein for securing a halyard at each end of said mast; B. a boom comprised of
Claim 10
Dependent Claim
15 words
a bore in the forward end of said boom; C. a jib bow comprised of
Claim 11
Dependent Claim
15 words
a bore in the forward end of said boom; C. a jib bow comprised of
Claim 12
Dependent Claim
44 words
The skate sail defined in claim 2 wherein said male end portions are formed by a tubular, longitudinally slotted member of slightly larger diameter than the mast or boom section and which is fitted thereinto by compression, insertion and release of the slotted member.
Claim 13
Dependent Claim
57 words
The skate sail defined in claim 1 wherein said jamb means comprises a jamb cleat secured into the end of said boom or mast, said cleat having a jamb notch cut into its end, said notch tapering from substantially wider than the diameter of said line to a width substantially narrower than the diameter of said line.
Claim 14
Dependent Claim
41 words
The skate sail defined in claim 4 wherein said jamb cleats further comprise means forming a horizontal bore through said cleat adjacent the narrow end of said notch, said bore being of a size to permit passage of a line therethrough.
Claim 15
Dependent Claim
47 words
The skate sail defined in claim 1 wherein said jib bow is comprised of three sections, a center section of substantially constant diameter and two end sections having a tapering cross-section toward the free ends thereof, all three said sections being joined together by telescopingly engageable ferrules.
Claim 16
Dependent Claim
61 words
The skate sail defined in claim 6 wherein the forward end of said boom is provided with means forming a central opening and the central section of said jib bow is provided with a boom engaging memBer secured thereto, said boom engaging member having a U-shaped portion, one leg of the U being engageable into said central opening of said boom.
Claim 17
Dependent Claim
48 words
The skate sail defined in claim 6 wherein the forward end of said boom is provided with a jib bow engaging member having a U-shaped portion and the central section of said jib bow is provided with a ring means for engaging one leg of said U-shaped portion.
Claim 18
Dependent Claim
10 words
A skate sail assembly comprising A. a mast comprised of
Claim 19
Dependent Claim
10 words
A skate sail assembly comprising A. a mast comprised of
Claim 20
Dependent Claim
75 words
The skate sail assembly defined in claim 9 wherein said jamb means for said halyard and said lanyard comprise plugs secured into the ends of the mast and rear end of said boom, notches cut into said plugs having a tapering width, said width being greater than the diameter of the halyard and lanyard at its outer open end and tapering to a width of less than the halyard or lanyard at its inner end.
Claim 21
Dependent Claim
38 words
The skate sail assembly defined in claim 10 wherein said jamb means further comprises means forming a lateral bore through said plugs adjacent the inner end of said notch and the halyard and lanyard passing through said bore.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |