Rung lock assembly for an extension ladder

Details Rung lock assembly for an extension ladder Rung lock assembly for an extension ladder

1991-09-25

1992-06-02

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

Extension

E06C 706

Patent

active

051179431

ABSTRACT:
A rung lock assembly for selectively and releasably locking a pair of adjacent rungs of relatively slidable fly ladder and base ladder sections of an extensible ladder including a rung lock frame pivotally mounted within the fly ladder section to be normally urged into engagement with adjacent rungs of the ladder sections and a pulley and cable system cooperative with the rung lock frame to release and move the same away from such engagement for relative slidable movement of the ladder sections.

REFERENCES:
patent: 369084 (1887-08-01), Smith
patent: 437395 (1890-09-01), Flynn
patent: 565750 (1896-08-01), Hill
patent: 613848 (1898-11-01), Seagrave
patent: 802017 (1905-10-01), Newton
patent: 1806185 (1931-05-01), Skeels
patent: 2310441 (1943-02-01), Klum
patent: 4299306 (1981-11-01), Hawkins

Affiliated with

Also associated with

Rating

Rung lock assembly for an extension ladder does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rung lock assembly for an extension ladder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rung lock assembly for an extension ladder will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2223725