04126206 is referenced by 20 patents and cites 3 patents.

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.

Title
Ladder guard
Application Number
5/844030
Publication Number
4126206
Application Date
October 20, 1977
Publication Date
November 21, 1978
Inventor
Bradly M Becnel
Temple City
CA, US
Agent
Donald D Mon
Assignee
Sunset Ladder Company
CA, US
IPC
E06C 5/32
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