US4625832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladder support member
Assignee: Individual
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Filing: 1985-11-12
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Granted: 1986-12-02
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Expires: 2005-11-12
Abstract
Abstract An ancillary ladder support or leg is disclosed which may be attached to ladders of various types (including wood, metal, or fiberglass) and configurations to provide additional support and stability for the ladder. The device uses the leg member of the device to engage a fastener so as to allow attachment, removal and repositioning of the device relative to the ladder without the use of additional tools.
Inventors
- 👤 D. Wayne Hartley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:44
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/02; E06C1/14; E06C1/16; E06C1/20; E06C1/38; E06C7/00; E06C7/42; E06C7/423
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
113 words
A ladder support member, comprising: a. a U-shaped bracket into which a portion of a ladder is inserted, and which has a threaded void on one side thereof; b. a threaded member having a means thereon, and engaging said threaded void and said ladder so as to hold said ladder within said U-shaped bracket; and c. a leg member pivotally attached to said U-shaped bracket on said side having said threaded void therein, and having engaged means on an end near said point of pivotal attachment cooperating with said means on the threaded member upon pivoting of said leg member, whereby upon said engagement, rotation of said leg member rotates said threaded member.
Claim 2
Dependent Claim
113 words
A ladder support member, comprising: a. a U-shaped bracket into which a portion of a ladder is inserted, and which has a threaded void on one side thereof; b. a threaded member having a means thereon, and engaging said threaded void and said ladder so as to hold said ladder within said U-shaped bracket; and c. a leg member pivotally attached to said U-shaped bracket on said side having said threaded void therein, and having engaged means on an end near said point of pivotal attachment cooperating with said means on the threaded member upon pivoting of said leg member, whereby upon said engagement, rotation of said leg member rotates said threaded member.
Claim 3
Dependent Claim
39 words
A ladder support member as described in claim 1 further comprising a spacing block having slots therein into which a side of said U-shaped bracket is selectively inserted so as to rreduce an interior area of said U-shaped bracket.
Claim 4
Dependent Claim
48 words
A ladder support member as described in claim 1 wherein said threaded member engages a leaf attached to the interior of said U-shaped bracket and wherein said leaf is displaced toward said ladder by said threaded member so as to hold said ladder leg within said U-shaped bracket.
Claim 5
Dependent Claim
48 words
A ladder support member as described in claim 2 wherein said threaded member engages a leaf attached to the interior of said U-shaped bracket and wherein said leaf is displaced toward said ladder by said threaded member so as to hold said ladder leg within said U-shaped bracket.
Claim 6
Dependent Claim
41 words
A ladder support member as described in claim 1 wherein said engaging means is one or more gear teeth and wherein said means on the threaded member comprises a multiplicity of gear teeth which engage said gear teeth on said leg.
Claim 7
Dependent Claim
41 words
A ladder support member as described in claim 2 wherein said engaging means is one or more gear teeth and wherein said mean on the threaded member has a multiplicity of gear teeth which engage said gear teeth on said leg.
Claim 8
Dependent Claim
41 words
A ladder support member as described in claim 3, wherein said engaging means is one or more gear teeth and wherein said means on the threaded member has a multiplicity of gear teeth which engage said gear teeth on said leg.
Claim 9
Dependent Claim
41 words
A ladder support member as described in claim 4, wherein said engaging means is one or more gear teeth and wherein said means on the threaded member comprises a multiplicity of gear teeth which engage said gear teeth on said leg.
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) | 1989-12-01 | 1990-06-02 | 1990-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-01 | 1994-06-02 | 1994-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-01 | 1998-06-02 | 1998-12-02 | $7700.00 | Window Closed / Lapsed |