US4029279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for holding each of the legs of a tripod
Assignee: Individual
•
Filing: 1976-06-21
•
Granted: 1977-06-14
•
Expires: 1996-06-21
Abstract
Abstract A holding device for use in the tripod comprising at least two rods arranged in telescopic manner and provided with a through-hole at the lower end thereof, fastening levers arranged to be pressed against a face of each of the inner rods through the through-hole.
Inventors
- 👤 Koma Nakatani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:04
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/10; F16B7/14; F16B7/1454; F16M; F16M11/00; F16M11/20; F16M11/24; F16M11/26; F16M11/32; F16M2200/00; F16M2200/02; F16M2200/025; F16M2200/027; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32467; Y10T403/32475; Y10T403/32501
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
189 words
A holding device for use in the tripod comprising: at least two rods, each having a similar section and each of the rods being arranged in telescopic manner and provided with a through-hole at the lower end thereof except the one of the smallest diameter which is contained in the inner-most side; holding frames, each being attached around the outer circumference of the lower end of each of the rods so as to face the through-hole; attaching members formed integral to both sides of the holding frame; engaging grooves formed in the attaching members and extending from the inner center of the attaching member to the holding frame, respectively; fastening levers, each having engaging pins projected from both sides thereof, and said engaging pins being freely rotatably engaged with the engaging grooves; pressing portions, each being formed integral to each of the fastening levers and arranged to be pressed against a face of each of the inner rods through the through-hole by turning the fastening lever; and an adjusting screw threadably engaged in each of said pressing portions for adjustable abuttment against the respective face of said inner rods.
Claim 2
Dependent Claim
189 words
A holding device for use in the tripod comprising: at least two rods, each having a similar section and each of the rods being arranged in telescopic manner and provided with a through-hole at the lower end thereof except the one of the smallest diameter which is contained in the inner-most side; holding frames, each being attached around the outer circumference of the lower end of each of the rods so as to face the through-hole; attaching members formed integral to both sides of the holding frame; engaging grooves formed in the attaching members and extending from the inner center of the attaching member to the holding frame, respectively; fastening levers, each having engaging pins projected from both sides thereof, and said engaging pins being freely rotatably engaged with the engaging grooves; pressing portions, each being formed integral to each of the fastening levers and arranged to be pressed against a face of each of the inner rods through the through-hole by turning the fastening lever; and an adjusting screw threadably engaged in each of said pressing portions for adjustable abuttment against the respective face of said inner rods.
Claim 3
Dependent Claim
66 words
A holding device for use in the tripod according to claim 1, further including a sliding member arranged in the through-hole of each of the rods in such a manner that the inner face of the sliding member is slidably contacted with the outer circumference of each of the inner rods while the outer face thereof is contacted with the pressing portion of the fastening lever.
Claim 4
Dependent Claim
168 words
A holding device for use in the tripod comprising: at least two rods, each having a similar section and each of the rods being arranged in telescopic manner and provided with a groove extending in the longitudinal direction thereof; holding frames, each being attached around the lower end of each of the rods except the one of the smallest diameter which is located in the innermost side and having an engaging projection projecting into the longitudinal groove of the inner rod; an engaging groove and a projection provided on both sides of each of the rods except the one of the largest diameter which is located in the outermost side, respectively; and resilient stopping plates, the one end of each of which is engaged with the projection while the other end thereof with the engaging groove; wherein when each of the rods is extended the resilient stopping plate is brought into contact with the engaging projection so that each of the rods may be prevented from coming off.
Claim 5
Dependent Claim
168 words
A holding device for use in the tripod comprising: at least two rods, each having a similar section and each of the rods being arranged in telescopic manner and provided with a groove extending in the longitudinal direction thereof; holding frames, each being attached around the lower end of each of the rods except the one of the smallest diameter which is located in the innermost side and having an engaging projection projecting into the longitudinal groove of the inner rod; an engaging groove and a projection provided on both sides of each of the rods except the one of the largest diameter which is located in the outermost side, respectively; and resilient stopping plates, the one end of each of which is engaged with the projection while the other end thereof with the engaging groove; wherein when each of the rods is extended the resilient stopping plate is brought into contact with the engaging projection so that each of the rods may be prevented from coming off.
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) | 1980-06-13 | 1980-12-13 | 1981-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-13 | 1984-12-13 | 1985-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-13 | 1988-12-13 | 1989-06-14 | $7700.00 | Window Closed / Lapsed |