Patent US3938619A successfully refreshed from Google Patents.
US3938619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stanchion
Assignee: Nisso Sangyo Co Ltd
•
Filing: 1972-08-15
•
Granted: 1976-02-17
•
Expires: 1992-08-15
Abstract
Abstract A stanchion adapted to expand by means of the inner as well as outer tubes and the clamping mean so that it enables a clamping of scaffolding or any other mounting base, which clamping is performed by sliding the inner and outer tubes relatively and/or by adjusting a clamping means together with the tubes or independently.
Inventors
- 👤 Kinji Kurabayashi
- 👤 Tatsuo Ono
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:09
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/32; E04G21/3204; E04G21/3223; E04G21/3233; E04G21/3242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A stanchion construction for clamping to a scaffold plate, comprising vertical support means including first and second vertically extending tubular support members, means for fixing said first and second support members in an adjusted telescopic position with one of said members extending outwardly from the other of said members by a predetermined amount, clamping means carried by said first and second tubular support members including a threaded cylinder on said first tubular support member, a bolt threaded into said cylinder and having an outer end with a first flat engagement surface, a second flat clamping surface carried by said second tubular member and parallel to and opposed to said first clamping surface, said bolt being threadably adjustable to move said first clamping surface toward and away from said second clamping surface, said first tubular member having a hand rail and at least one fitting extending outwardly from said first tubular member and having means thereon for supporting said hand rail at a spaced location above said first clamping surface.
Claim 2
Dependent Claim
169 words
A stanchion construction for clamping to a scaffold plate, comprising vertical support means including first and second vertically extending tubular support members, means for fixing said first and second support members in an adjusted telescopic position with one of said members extending outwardly from the other of said members by a predetermined amount, clamping means carried by said first and second tubular support members including a threaded cylinder on said first tubular support member, a bolt threaded into said cylinder and having an outer end with a first flat engagement surface, a second flat clamping surface carried by said second tubular member and parallel to and opposed to said first clamping surface, said bolt being threadably adjustable to move said first clamping surface toward and away from said second clamping surface, said first tubular member having a hand rail and at least one fitting extending outwardly from said first tubular member and having means thereon for supporting said hand rail at a spaced location above said first clamping surface.
References Cited (Backward Citations)
US2706662A
Cited
GB767212A
Cited
US3084759A
Cited
US3351311A
Cited
US3480257A
Cited
US3756568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-02-16 | 1979-08-18 | 1980-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-16 | 1983-08-18 | 1984-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-16 | 1987-08-18 | 1988-02-17 | $7700.00 | Window Closed / Lapsed |