US4071113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support structure
Assignee: Individual
•
Filing: 1975-12-12
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Granted: 1978-01-31
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Expires: 1995-12-12
Abstract
Abstract A sawhorse primarily designed to be easily assembled or disassembled comprising a cross-beam and leg assemblies wherein said cross-beam is reduced in its end portions and engages Vee-shaped crotches that are defined in the upper portions of said leg assemblies and held in place by U-shaped bolts.
Inventors
- 👤 Eric W. Pelser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:19
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A support structure comprising a cross-beam and leg assemblies, wherein the cross-beam is reduced in its end portions in the shape of trapeziums that wedgingly engage Vee-shaped crotches that are defined in the upper portions of the leg assemblies, said wedging engagement leaving spaces between the undersides of the trapeziums and the bottoms of the Vee crotches in the leg assemblies, holes in said cross-beam end portions and said upper portions of said leg assemblies, and U-bolts having an angle of entry through said holes that bears an oblique relationship to one inclined face of each trapezium and a 90° relationship to the opposite inclined face of each trapezium, and wherein wing nuts engage the protruding ends of each U-bolt adjacent to the inclined trapezium face that bears said 90° relationship, wherein all the components are locked into a rigid assembly.
Claim 2
Dependent Claim
141 words
A support structure comprising a cross-beam and leg assemblies, wherein the cross-beam is reduced in its end portions in the shape of trapeziums that wedgingly engage Vee-shaped crotches that are defined in the upper portions of the leg assemblies, said wedging engagement leaving spaces between the undersides of the trapeziums and the bottoms of the Vee crotches in the leg assemblies, holes in said cross-beam end portions and said upper portions of said leg assemblies, and U-bolts having an angle of entry through said holes that bears an oblique relationship to one inclined face of each trapezium and a 90° relationship to the opposite inclined face of each trapezium, and wherein wing nuts engage the protruding ends of each U-bolt adjacent to the inclined trapezium face that bears said 90° relationship, wherein all the components are locked into a rigid assembly.
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) | 1981-01-30 | 1981-08-01 | 1982-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-30 | 1985-08-01 | 1986-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-30 | 1989-08-01 | 1990-01-31 | $7700.00 | Window Closed / Lapsed |