Patent US4356986A successfully refreshed from Google Patents.
US4356986A
Expired / Lapsed
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Safety valve support
Assignee: Individual
•
Filing: 1981-09-09
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Granted: 1982-11-02
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Expires: 2001-09-09
Abstract
Abstract An anchor for supporting a device such as a safety valve in a space between opposed walls is comprised of a channel to which the device is secured, slides at each end of the channel and screws for driving the slides outwardly against opposite walls of the opening.
Inventors
- 👤 Hugh C. Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:08
CPC Classifications
F; F16; F16L; F16L3/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
142 words
An anchor for supporting a safety valve in a space between two opposed surfaces, comprising: an elongate generally C-shaped channel having a spaced pair of flanges integrally connected by a web, means for mounting a safety valve on the channel between opposite ends thereof, a pair of slides slidably engaging over opposite end portions of the channel, each slide comprising a spaced pair of generally C-shape flanges integrally connected by a web and inwardly extending lips on the free edges thereof, the webs and channels of the slides slidably engaging over the flanges and web of the channel and the lips on the slide flanges engaging over free edges of the channel flanges, and screw means engaging between the channel and the slides for driving the slides outwardly whereby to jam the slides against the surfaces of opposed sides of the opening.
Claim 2
Dependent Claim
142 words
An anchor for supporting a safety valve in a space between two opposed surfaces, comprising: an elongate generally C-shaped channel having a spaced pair of flanges integrally connected by a web, means for mounting a safety valve on the channel between opposite ends thereof, a pair of slides slidably engaging over opposite end portions of the channel, each slide comprising a spaced pair of generally C-shape flanges integrally connected by a web and inwardly extending lips on the free edges thereof, the webs and channels of the slides slidably engaging over the flanges and web of the channel and the lips on the slide flanges engaging over free edges of the channel flanges, and screw means engaging between the channel and the slides for driving the slides outwardly whereby to jam the slides against the surfaces of opposed sides of the opening.
Claim 3
Dependent Claim
70 words
An anchoring device as claimed in claim 1, said screw means comprising plates integrally affixed across said channel at locations disposed inwardly from the ends thereof, each plate having an opening therethrough, said slides each having an abutment plate integrally affixed across an outer end thereof, and said screw means including screws respectively engaging through the openings in the plate and respectively engaging against the abutment plates on the slides.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-11-01 | 1986-05-03 | 1986-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-11-01 | 1990-05-03 | 1990-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-11-01 | 1994-05-03 | 1994-11-02 | $7700.00 | Window Closed / Lapsed |