Ladder joint for a folding collapsible ladder

Details Ladder joint for a folding collapsible ladder Ladder joint for a folding collapsible ladder

1993-10-14

1994-10-11

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Unitary foldable, rigid scaffold or ladder

Collapsible ladder

403 96, 16328, 182 22, 182 27, E06C 128

Patent

active

053538927

ABSTRACT:
A ladder joint includes a pivot, a first base plate mounted on the pivot and connected to a first side rail section of one side rail of a ladder, a second base plate mounted on the pivot and connected to a second side rail section of the side rail, a spring-supported lever pivoted to the pivot, a lock bolt inserted through an eccentric hole on the second base plate and controlled by the lever to engage into either of a series of eccentric holes on the first base plate.

REFERENCES:
patent: 579277 (1897-03-01), Lord
patent: 1092447 (1914-04-01), Leland
patent: 4666327 (1987-05-01), Su
patent: 4890950 (1990-01-01), Yoo

Affiliated with

Also associated with

Rating

Ladder joint for a folding collapsible 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 Ladder joint for a folding collapsible ladder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ladder joint for a folding collapsible ladder will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1653130