US3863945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel unit for attachment to a tripod
Assignee: Individual
•
Filing: 1973-09-04
•
Granted: 1975-02-04
•
Expires: 1993-09-04
Abstract
Abstract A wheel unit for attachment to a tripod, such as a camera tripod. Wheels are attached to two legs of the tripod and are fully adjustable to the specific tripod, the wheels being positioned to provide rolling support for the tripod with a camera and any accessories remaining in place. A carrier may be used in conjunction with the wheel unit to hold an accessory bag or case.
Inventors
- 👤 Diane M Dunstan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:10
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/42; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M11/16; F16M11/20; F16M11/24; F16M11/26; F16M11/32; F16M2200/00; F16M2200/08
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
89 words
A wheel unit for attachment to two legs of a tripod, comprising: a pair of brackets eAch having a clamp portion with means for clamping on one of the tripod legs; an arm extending from each clamp portion, each arm being pivotally adjustable on the clamp portion about an axis substantially radial to the longitudinal axis of the respective tripod leg; each said arm having a wheel rotatably mounted thereon; and spacing means interconnecting said brackets for holding the brackets and the two tripod legs in spaced apart position.
Claim 2
Dependent Claim
89 words
A wheel unit for attachment to two legs of a tripod, comprising: a pair of brackets eAch having a clamp portion with means for clamping on one of the tripod legs; an arm extending from each clamp portion, each arm being pivotally adjustable on the clamp portion about an axis substantially radial to the longitudinal axis of the respective tripod leg; each said arm having a wheel rotatably mounted thereon; and spacing means interconnecting said brackets for holding the brackets and the two tripod legs in spaced apart position.
Claim 3
Dependent Claim
21 words
A wheel unit according to claim 1, wherein said spacing means is an axle extending between and attached to said wheels.
Claim 4
Dependent Claim
13 words
A wheel unit according to claim 2, wherein said axle is telescopically adjustable.
Claim 5
Dependent Claim
20 words
A wheel unit according to claim 1, and including a rack mounted on the wheel unit for supporting accessory equipment.
References Cited (Backward Citations)
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Cited
US1004550A
Cited
US1992108A
Cited
US2919138A
Cited
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Cited
US3159410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-03 | 1978-08-05 | 1979-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-03 | 1982-08-05 | 1983-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-03 | 1986-08-05 | 1987-02-04 | $7700.00 | Window Closed / Lapsed |