Patent US3916489A successfully refreshed from Google Patents.
US3916489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling
Assignee: MORRIS COUPLING AND CLAMP CO
•
Filing: 1974-04-22
•
Granted: 1975-11-04
•
Expires: 1994-04-22
Abstract
Abstract A coupling or clamp for clamping a tube or pipe made up of an elongated band surrounding a gasket. A notch is formed in one end of the band and a strike is fixed to the other end of the band and disposed in the notch. The ends of the band on each side of the notch are bent back on themselves forming eyelets, which receive a yoke. The yoke has a curved intermediate part that has a weld nut welded in it and a screw extends through the weld nut. The end of the screw engages the strike. When a screw is swung to a position generally parallel to the diameter of the tube, its end can engage the strike. Then as the screw is swung to a position tangent to the pipe, its toggle action exerts a preliminary tension on the band. Final tensioning is accomplished by operating the screw in a conventional manner.
Inventors
- 👤 William L Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:28
CPC Classifications
F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/08; F16L; F16L21/00; F16L21/002; F16L21/005; F16L55/00; F16L55/16; F16L55/168; F16L55/17; F16L55/172; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1441
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
356 words
A coupling for a tube, pipe or the like comprising, a tensioning band made up of flexible relatively thin flat material adaptd to lay on the outside surface of a pipe or tube, said tensioning band is disposed around a gasket, said tensioning band having a notch formed in one end, the ends of the material defining said notch having their ends rolled back forming eyelets, a yoke having a curved intermediate part and two straight end parts, said end parts being rotatably received in said eyelets, a nut having one side fixed to the inside curve of the intermediate part of said yoke, said two straight end parts extending outwardly from said intermediate part and being disposed on a line passing on the opposite side of said nut from said one side, said nut receiving a screw, a strike on the end of said band opposite said notch, said strike comprising a piece of sheet material slightly narrower than said notch, and having an intermediate part thereof bent back on itself forming an outwardly extending portion extending generally radially of said coupling, the ends of said strike resting on said band and extending from said outwardly extending portion a substantial distance and terminating short of the end of said band, said strike having a seat found on said outwardly extending part adapted to engage an end of said screw, said screw being adapted to be swung with said yoke to a position parallel to a diameter of said pipe and having the end of said screw engage said seat, said screw being adapted to be swung to a position tangent to said pipe at said strike and said yoke disposed between a line passing through said screw parallel to the axis of said pipe and the outer periphery of said band whereby the said tensioning band is preliminarily tensioned, said screw being adapted to be tightened by rotating said screw in said nut with said eyelets swung into engagement with said band whereby said tensioning band is tensioned and said coupling is held in closed position by toggle action of said screw and said yoke.
Claim 2
Dependent Claim
356 words
A coupling for a tube, pipe or the like comprising, a tensioning band made up of flexible relatively thin flat material adaptd to lay on the outside surface of a pipe or tube, said tensioning band is disposed around a gasket, said tensioning band having a notch formed in one end, the ends of the material defining said notch having their ends rolled back forming eyelets, a yoke having a curved intermediate part and two straight end parts, said end parts being rotatably received in said eyelets, a nut having one side fixed to the inside curve of the intermediate part of said yoke, said two straight end parts extending outwardly from said intermediate part and being disposed on a line passing on the opposite side of said nut from said one side, said nut receiving a screw, a strike on the end of said band opposite said notch, said strike comprising a piece of sheet material slightly narrower than said notch, and having an intermediate part thereof bent back on itself forming an outwardly extending portion extending generally radially of said coupling, the ends of said strike resting on said band and extending from said outwardly extending portion a substantial distance and terminating short of the end of said band, said strike having a seat found on said outwardly extending part adapted to engage an end of said screw, said screw being adapted to be swung with said yoke to a position parallel to a diameter of said pipe and having the end of said screw engage said seat, said screw being adapted to be swung to a position tangent to said pipe at said strike and said yoke disposed between a line passing through said screw parallel to the axis of said pipe and the outer periphery of said band whereby the said tensioning band is preliminarily tensioned, said screw being adapted to be tightened by rotating said screw in said nut with said eyelets swung into engagement with said band whereby said tensioning band is tensioned and said coupling is held in closed position by toggle action of said screw and said yoke.
Claim 3
Dependent Claim
39 words
The coupling recited in claim 1 wherein said ends of said band overlap each other and, said screw has a hemispherical shaped end and said seat in said stroke has a complementary shaped seat for receiving said screw end.
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) | 1978-11-03 | 1979-05-05 | 1979-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-03 | 1983-05-05 | 1983-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-03 | 1987-05-05 | 1987-11-04 | $7700.00 | Window Closed / Lapsed |