US3780828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-slip ladder attachment
Assignee: Individual
•
Filing: 1972-06-16
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Granted: 1973-12-25
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Expires: 1992-06-16
Abstract
Abstract A safeguarding attachment for the upper end portion of a side rail of a ladder expressly constructed and adapted to minimize marring the exterior surface of aluminum or equivalent siding and which reduces the likelihood of accidental and dangeroud slipping of the inclined upper end of the ladder. The attachment is characterized, broadly stated, by a compressibly resilient pad having a forward surface adapted to reside against the sidingcovered wall surface and a rearward side or surface provided with a rigid backing plate. A bracket has one end secured to the backing plate. An adapter is pivotally connectible to the desired ladder rail. An adjacent end of the bracket is pivotally connected to the adapter. Attachment means functions to operatively secure the adapter to the side rail. In addition connecting means functions to pivotally anchor the adapter on the ladder rail.
Inventors
- 👤 J Overturf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:05
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/48
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
155 words
For use in a manner to minimize marring and damaging the exterior surface of siding and also to reduce the likelihood of slipping of side rails of an inclined ladder, a safeguarding attachment for the upper end portion of a ladder side rail comprising, in combination: a. a compressibly resilient pad having a forward surface adapted to reside against a wall surface and a rearward surface provided with a rigid backing plate; b. an L-shaped bracket having a pair of legs, one leg being affixed to the backing plate; c. a channel-shaped clip adapter embodying a web and lateral flanges extending codirectionally from the web and arranged for cooperating with flanges of a channel-type ladder side rail; d. attachment means for operatively securing the flanges of the adapter to an upper end portion of the side rail; and e. connecting means attached to the other bracket leg for pivotally anchoring the bracket on said web.
Claim 2
Dependent Claim
155 words
For use in a manner to minimize marring and damaging the exterior surface of siding and also to reduce the likelihood of slipping of side rails of an inclined ladder, a safeguarding attachment for the upper end portion of a ladder side rail comprising, in combination: a. a compressibly resilient pad having a forward surface adapted to reside against a wall surface and a rearward surface provided with a rigid backing plate; b. an L-shaped bracket having a pair of legs, one leg being affixed to the backing plate; c. a channel-shaped clip adapter embodying a web and lateral flanges extending codirectionally from the web and arranged for cooperating with flanges of a channel-type ladder side rail; d. attachment means for operatively securing the flanges of the adapter to an upper end portion of the side rail; and e. connecting means attached to the other bracket leg for pivotally anchoring the bracket on said web.
Claim 3
Dependent Claim
29 words
The ladder attachment defined in and according to claim 1, and wherein said pad comprises a block of rubber, the forward and rearward surfaces of said block being flat.
Claim 4
Dependent Claim
54 words
The ladder attachment defined in and according to claim 1, and wherein said pad comprises a substantially rectangular block of foam rubber, the forward and rearward surfaces of said block being flat and said forward surface being conformable in shape to the shape of a siding-covered surface against which it resides when being used.
Claim 5
Dependent Claim
81 words
The ladder attachment defined in and according to claim 1, wherein the clip flanges are arranged for fitting between the ladder side rail flanges and are provided with opposed holes arranged for facilitating pivotal anchoring of the adapter to the side rail, and the L-shaped bracket legs are a short leg and a long leg, the short leg abutting and secured to a coacting surface of the backing plate and the long leg joined to a median surface of the web.
Claim 6
Dependent Claim
28 words
The ladder attachment defined in and according to claim 4, wherein said pad comprises a block of rubber, the forward and rearward surfaces of said block being flat.
Claim 7
Dependent Claim
53 words
The ladder attachment defined in and according to claim 4, wherein said pad comprises a substantially rectangular block of foam rubber, the forward and rearward surfaces of said block being flat and said forward surface being conformable in shape to the shape of a siding-covered surface against which it resides when being used.
Claim 8
Dependent Claim
176 words
A safeguarding attachment for the upper end portion of a channel-type side rail of a ladder comprising, in combination: a. a foam rubber pad, said pad being block-like in form and having forward and rearward substantially flat surfaces, the rearward flat surface being covered by a securely attached backing plate; b. an L-shaped bracket embodying a pair of legs, a one leg superimposed on a median portion of the backing plate and affixed thereto; c. an adapter comprising a substantially channel-shaped clip, said clip embodying a web and a pair of lateral spaced, codirectionally extending, parallel flanges; d. pivoting and connecting means for securing an end portion of the other leg of said bracket to the adapter, said means comprising means for pivotally connecting a free end portion of the other leg of said bracket to a median portion of the web of said clip, the other leg of said bracket being arranged parallel to the web of said clip; and e. means for securing the clip flanges to flanges of a channel-type ladder side rail.
Claim 9
Dependent Claim
176 words
A safeguarding attachment for the upper end portion of a channel-type side rail of a ladder comprising, in combination: a. a foam rubber pad, said pad being block-like in form and having forward and rearward substantially flat surfaces, the rearward flat surface being covered by a securely attached backing plate; b. an L-shaped bracket embodying a pair of legs, a one leg superimposed on a median portion of the backing plate and affixed thereto; c. an adapter comprising a substantially channel-shaped clip, said clip embodying a web and a pair of lateral spaced, codirectionally extending, parallel flanges; d. pivoting and connecting means for securing an end portion of the other leg of said bracket to the adapter, said means comprising means for pivotally connecting a free end portion of the other leg of said bracket to a median portion of the web of said clip, the other leg of said bracket being arranged parallel to the web of said clip; and e. means for securing the clip flanges to flanges of a channel-type ladder side rail.
Claim 10
Dependent Claim
95 words
The structure defined in and according to claim 7, wherein the clip flanges are arranged for fitting between the flanges of a channel-type ladder side rail, the other leg of the bracket is longer than the one leg thereof, and the means for pivotally connecting the bracket to the adapter comprises a headed rivet passed through holes provided therefor in said other leg and in the web and companion washers surrounding the shank portion of said rivet and coacting with inward and outward surfaces of said web and a coacting surface of said other leg.
Claim 11
Dependent Claim
36 words
The structure as defined in claim 8, wherein the means for connecting flanges is provided with opposed holes arranged in the clip flanges for facilitating pivotal anchoring of the adapter to a channel-type ladder side rail.
Claim 12
Dependent Claim
36 words
The structure as defined in claim 7, wherein the means for connecting flanges is provided with opposed holes arranged in the clip flanges for facilitating pivotal anchoring of the adapter to a channel-type ladder side rail.
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) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |