US3795218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cam cleat
Assignee: SCHAEFER MARINE PRODUCTS
•
Filing: 1973-03-15
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Granted: 1974-03-05
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Expires: 1993-03-15
Abstract
Abstract A cam cleat for retaining a sheet on a sailboat has cams in the form of toothed shells which provide the main working surfaces of the cams. A rigid plastic insert is fitted into each shell. Each insert is formed with specially shaped entry teeth which enable the sheet to wedge between the cams and open them to receive the sheet when the sheet is moving in a preferred direction.
Inventors
- 👤 C Merry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:12
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/04; B63B21/08
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
129 words
A cam cleat comprising A. a base, B. a pair of opposed cams pivotally mounted on the base, each said cam being composed of 1. an open-ended shell made of a corrosion-resistant material, the opposed faces of the shells having sets of straight teeth, and 2. an insert made of a hard, impact-resistant material positioned in each shell, each insert having teeth corresponding in numBer to those on the associated shell, the lower portions of the insert teeth being straight and contiguous with the corresponding shell teeth and the upper portions of the insert teeth being rounded, C. means for pivotally mounting the cams in spaced-apart relation on the base, and D. means for biasing the two cams toward one another so that their shell teeth oppose one another.
Claim 2
Dependent Claim
129 words
A cam cleat comprising A. a base, B. a pair of opposed cams pivotally mounted on the base, each said cam being composed of 1. an open-ended shell made of a corrosion-resistant material, the opposed faces of the shells having sets of straight teeth, and 2. an insert made of a hard, impact-resistant material positioned in each shell, each insert having teeth corresponding in numBer to those on the associated shell, the lower portions of the insert teeth being straight and contiguous with the corresponding shell teeth and the upper portions of the insert teeth being rounded, C. means for pivotally mounting the cams in spaced-apart relation on the base, and D. means for biasing the two cams toward one another so that their shell teeth oppose one another.
Claim 3
Dependent Claim
57 words
The cam cleat defined in claim 1 wherein the insert teeth are formed to present a toothed gap to a line moving between the two sets of insert teeth in a direction opposite the spring bias direction so that the line tends to wedge between the insert teeth and thereby open the cams to receive the line.
Claim 4
Dependent Claim
83 words
an insert made of a hard, impact-resistant material positioned in each shell, each insert having teeth corresponding in numBer to those on the associated shell, the lower portions of the insert teeth being straight and contiguous with the corresponding shell teeth and the upper portions of the insert teeth being rounded, C. means for pivotally mounting the cams in spaced-apart relation on the base, and D. means for biasing the two cams toward one another so that their shell teeth oppose one another.
Claim 5
Dependent Claim
83 words
an insert made of a hard, impact-resistant material positioned in each shell, each insert having teeth corresponding in numBer to those on the associated shell, the lower portions of the insert teeth being straight and contiguous with the corresponding shell teeth and the upper portions of the insert teeth being rounded, C. means for pivotally mounting the cams in spaced-apart relation on the base, and D. means for biasing the two cams toward one another so that their shell teeth oppose one another.
Claim 6
Dependent Claim
6 words
projecting up through a shell, and
Claim 7
Dependent Claim
6 words
projecting up through a shell, and
Claim 8
Dependent Claim
18 words
The cam cleat defined in claim 1 wherein the mounting means include A. a pair of spaced-apart pedestals
Claim 9
Dependent Claim
19 words
being rotatively received in the corresponding insert, and B. means for rotatably securing each cam to the corresponding pedestal.
Claim 10
Dependent Claim
19 words
being rotatively received in the corresponding insert, and B. means for rotatably securing each cam to the corresponding pedestal.
Claim 11
Dependent Claim
45 words
The cam cleat defined in claim 3 wherein the biasing means include a coil spring A. engaged around each pedestal inside the corresponding cam shell, and B. reacting between the base and the cam to swing the cam about its pivot toward the other cam.
Claim 12
Dependent Claim
22 words
The cam cleat defined in claim 1 wherein each shell is made of stainless steel and each insert is made of nylon.
References Cited (Backward Citations)
US1520716A
Cited
US3112726A
Cited
US3118418A
Cited
US3265032A
Cited
US3352273A
Cited
US3750611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |