Patent US4386678A successfully refreshed from Google Patents.
US4386678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible work support
Assignee: Individual
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Filing: 1981-08-14
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Granted: 1983-06-07
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Expires: 2001-08-14
Abstract
Abstract A collapsible work support which is useful as a sawhorse, brackets for iron, wood or larger objects, and collapses for storage, all in a single plane, and therefore is readily adaptable to wall or cabinet storage. It is compact and ideally suited for crowded workshops and eliminates the need for bulky, awkward sawhorses and other stands.
Inventors
- 👤 John R. Wendell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:18
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/02; B25H1/04; B25H1/06; B25H1/14; B25H1/16; B27; B27B; B27B17/00; B27B17/0041
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
162 words
A collapsible work support comprising: a "T" shaped frame having a stem portion and a base portion with both the base and stem of the "T" having open ends defining elongated passageways, said "T" shaped frame adjacent each open end having means to releaseably but securely grip any member which telescopes within it; said "T" stem portion having attached to said stem a pair of holding sleeves for releaseably holding other pieces of said collapsible work support; a pair of leg supports, each of which has a longer leg member and a shorter attaching member, said attaching members being adapted to telescopically fit within the respective open ends of said base portion of the "T" frame, said longer leg members being adapted to slidably fit within said holding sleeves, a top support member having a top support surface and an attaching short stem which is adapted to telescopically fit into the open end of said stem portion of said "T" shaped frame.
Claim 2
Dependent Claim
162 words
A collapsible work support comprising: a "T" shaped frame having a stem portion and a base portion with both the base and stem of the "T" having open ends defining elongated passageways, said "T" shaped frame adjacent each open end having means to releaseably but securely grip any member which telescopes within it; said "T" stem portion having attached to said stem a pair of holding sleeves for releaseably holding other pieces of said collapsible work support; a pair of leg supports, each of which has a longer leg member and a shorter attaching member, said attaching members being adapted to telescopically fit within the respective open ends of said base portion of the "T" frame, said longer leg members being adapted to slidably fit within said holding sleeves, a top support member having a top support surface and an attaching short stem which is adapted to telescopically fit into the open end of said stem portion of said "T" shaped frame.
Claim 3
Dependent Claim
23 words
The device of claim 1 wherein the means to releaseably but securely grip members which telescope within said elongated passageways are set screws.
Claim 4
Dependent Claim
20 words
The device of claim 2 wherein said top surface has an associated abutment grip movable from up to down position.
Claim 5
Dependent Claim
15 words
The device of claim 1 wherein said top surface has means bolting a plank thereto.
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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) | 1986-06-06 | 1986-12-06 | 1987-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-06-06 | 1990-12-06 | 1991-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-06-06 | 1994-12-06 | 1995-06-07 | $7700.00 | Window Closed / Lapsed |