Escape ladder structural improvement

Fire escape – ladder – or scaffold – With storage device for supple escape

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

182 76, 182 84, E06C 910

Patent

active

057851476

ABSTRACT:
The subject invention relates to a type of escape ladder structural improvement (1), comprising a housing, an inside ladder, an outside ladder, an outside cover and a gear transmission; the hollow interior of the housing comprising an escape channel; the inside ladder, the outside ladder and the outside cover being respectively installed on the rear and front openings of the hollow interior in the housing; said inside ladder can swing backwards to extend itself by way of its own gravitational weight when a handle is pulled, and via the gear transmission mechanism, it in turn drives the outside cover and the outside ladder to swing forwards to extend themselves, so that the escapee will be able to climb the inside ladder, to the hollow interior of the housing, then to the outside ladder, and escape from the scene by means of the escape device on the outside cover; said mechanism will enable easy operation to create a best escape channel without causing bad effects on the appearance of a building.

REFERENCES:
patent: 260627 (1882-07-01), Townsend
patent: 4222458 (1980-09-01), Pratt
patent: 5022491 (1991-06-01), Gill
patent: 5303799 (1994-04-01), Tsai

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Escape ladder structural improvement does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Escape ladder structural improvement, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Escape ladder structural improvement will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-15802

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.