Ladder safety tip strap

Details Ladder safety tip strap Ladder safety tip strap

1995-10-24

1999-04-27

Chin-Shue, Alvin

Fire escape, ladder, or scaffold

Safety device for ground-supported ladder

182129, 182207, E06C 700

Patent

active

058969454

ABSTRACT:
A ladder tie strap is wrapped around adjacent rungs of upper and lower ladder sections in an extension ladder to prevent the upper ladder section from accidentally retracting relative to the lower ladder section. A fair of tie straps may also be secured to the upper end of the ladder and fastened to a ladder support structure to stabilize the ladder against lateral movement. The structure may be a wall or a wire, and when a wire the straps are wrapped around the wire and around the ladder rung or ladder side members.

REFERENCES:
patent: 124940 (1872-03-01), Edmunds
patent: 444632 (1891-01-01), Goosmann
patent: 473852 (1892-04-01), McQuillan
patent: 531534 (1894-12-01), Howard
patent: 1010832 (1911-12-01), Welden
patent: 2470053 (1949-05-01), Salisbury
patent: 2909236 (1959-10-01), Rabelos
patent: 3070188 (1962-12-01), Scruby
patent: 4450937 (1984-05-01), Broughton
patent: 4974699 (1990-12-01), Boring
patent: 5529145 (1996-06-01), Alfred
patent: 5604961 (1997-02-01), Cole

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