Accessory for a ladder

Details Accessory for a ladder Accessory for a ladder

2005-08-16

2005-08-16

Thompson, II, Hugh B. (Department: 3634)

Fire escape, ladder, or scaffold

Horizontal traversing - actuation, control, or response

Occupant actuation or control

C182S107000, C182S016000, C182S129000

Reexamination Certificate

active

06929093

ABSTRACT:
An accessory for a ladder includes a set of wheels that can be attached to the feet of the ladder and a gear mechanism that couples those wheels to an operating handle. The operating handle includes a plurality of sections so it can be reached by a user who is supported on top of the ladder. Operation of the handle rotates the wheels to move the ladder while the user remains in place on the ladder.

REFERENCES:
patent: 1912509 (1933-09-01), Ballard
patent: 2320407 (1943-06-01), Campbell
patent: 3175641 (1965-03-01), Minhalik
patent: 3735838 (1973-05-01), Greenleaf
patent: 4911263 (1990-03-01), Kuperman

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