Circulatable ladder

Details Circulatable ladder Circulatable ladder

1994-11-18

1997-07-08

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Endless conveyer escape

Top and bottom support

182 42, 182236, A62B 100

Patent

active

056451393

ABSTRACT:
The present invention relates generally to the safety equipment of a circulatable ladder. The device requires no automatic power and can be operated for heavy loading capacity. The device includes a track set, a circulatable chain mounted along the track set, a securing device secured to a building for securing thereon the track set and a decelerator mounted on the securing device for slowing down the circulating speed of the circulatable chain.

REFERENCES:
patent: 184978 (1876-12-01), Neville
patent: 642392 (1900-01-01), Vaughan
patent: 670050 (1901-03-01), Hull
patent: 776483 (1904-12-01), Andrews
patent: 825524 (1906-07-01), Dodds
patent: 892281 (1908-06-01), Metter
patent: 4570750 (1986-02-01), Tsai

Affiliated with

Also associated with

Rating

Circulatable 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 Circulatable ladder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Circulatable ladder will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2404729