US4126206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladder guard
Assignee: SUNSET LADDER Co
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Filing: 1977-10-20
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Granted: 1978-11-21
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Expires: 1997-10-20
Abstract
Abstract A guard to bar access to ladder rungs comprising a first and second rigid sheet pivoted together. The upper sheet has an upper hook to hang over a rung of the ladder. The lower (second) sheet has a joggle which enables a portion of it to pass behind a ladder rung and lock means to lock the second, lower, sheet to a rung whereby the first sheet and a portion of the second sheet bar access to the ladder rungs and the upper hook and the lock means prevent removal of the shield without first releasing the lock means.
Inventors
- 👤 Bradly M. Becnel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:44
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/006
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
167 words
A guard to bar access to ladder rungs comprising: a first sheet having an upper and lower edge, a hook on said upper edge for engaging a ladder rung from a front face of the ladder, a hinge part on said lower edge; a second sheet having a upper and a lower edge, a hinge part on said upper edge forming with said hinge part on said first sheet a hinged joinder of the two sheets at the respective edges; a joggle in the second sheet between its said edges; and releasable lock means on the other side of the joggle from the upper edge of the second sheet for holding the second sheet to a ladder rung when the hook is over a ladder rung, and the joggle passes between two ladder rungs, whereby to hold the first sheet and at least part of the second sheet in front of the ladder rungs and prevent the removal of the guard unless the lock means is released.
Claim 2
Dependent Claim
167 words
A guard to bar access to ladder rungs comprising: a first sheet having an upper and lower edge, a hook on said upper edge for engaging a ladder rung from a front face of the ladder, a hinge part on said lower edge; a second sheet having a upper and a lower edge, a hinge part on said upper edge forming with said hinge part on said first sheet a hinged joinder of the two sheets at the respective edges; a joggle in the second sheet between its said edges; and releasable lock means on the other side of the joggle from the upper edge of the second sheet for holding the second sheet to a ladder rung when the hook is over a ladder rung, and the joggle passes between two ladder rungs, whereby to hold the first sheet and at least part of the second sheet in front of the ladder rungs and prevent the removal of the guard unless the lock means is released.
Claim 3
Dependent Claim
13 words
A guard according to claim 1 in which the sheets are substantially rectangular.
Claim 4
Dependent Claim
21 words
A guard according to claim 1 in which the hinge part extends substantially entirely across the width of said two sheets.
Claim 5
Dependent Claim
31 words
The guard according to claim 1 in which the lock means comprises a clevis carried by said second sheet, and means across the clevis to a ladder ring inside the clevis.
Claim 6
Dependent Claim
21 words
A guard according to claim 1 in which the hook is formed integrally with the upper end of the first sheet.
Claim 7
Dependent Claim
74 words
In combination: a guard according to claim 1 and a ladder comprising a pair of rails and a plurality of rungs interconnecting the rails, the hook being adapted to hook over one of the rungs and the lower edge of the second sheet being adapted to pass between two rungs so a portion on the other side of said joggle from the hinge means can be placed behind at least one of the rungs.
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) | 1981-11-20 | 1982-05-22 | 1982-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-20 | 1986-05-22 | 1986-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-20 | 1990-05-22 | 1990-11-21 | $7700.00 | Window Closed / Lapsed |