Fire escape – ladder – or scaffold – Ladder – With spacer means
Patent
1992-11-17
1993-11-16
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Ladder
With spacer means
182229, E06C 700
Patent
active
052615073
ABSTRACT:
An apparatus is provided for fitting at an upper portion of a ladder. It is adapted for use in situations where an electrical service crew member must work on electrical equipment (such as transformer boxes) which are mounted on upper portions of building walls. The apparatus provides a safe and stable support for the ladder. The apparatus provides this support while keeping the ladder located an adequate distance from the wall. The crew member can thus comfortably stand on the ladder and still have access to the equipment to remove the cover of the box and work on its contents.
REFERENCES:
patent: 783259 (1905-02-01), Friend
patent: 799782 (1905-09-01), Ellinger
patent: 1471848 (1923-10-01), Johnson
patent: 2599169 (1952-06-01), Finney
patent: 2797037 (1957-06-01), Niedojadlo
patent: 3288249 (1966-11-01), Gibson
patent: 3713510 (1973-01-01), O'Dell
patent: 4061203 (1977-12-01), Spencer et al.
patent: 4331217 (1982-05-01), Stecklow
patent: 4339020 (1982-07-01), Wiseman
patent: 4359138 (1982-11-01), Kummerlin et al.
patent: 4369860 (1983-01-01), Beane
patent: 4394887 (1983-07-01), Spinks
patent: 4502566 (1985-03-01), Wing
patent: 4754842 (1988-07-01), Southern
patent: 4765439 (1988-08-01), Kresmery
patent: 4823912 (1989-04-01), Gould et al.
patent: 4932498 (1990-06-01), Miller
patent: 4971167 (1990-11-01), Winnard
Catalog of R. D. Werner Co., Inc.; "Werner Ladders"; May, 1991; cover pages and pp. 42-43.
Williams Danny R.
Williams Tobe W.
Chin-Shue Alvin C.
Houston Industries Incorporated
LandOfFree
Ladder standoff 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 standoff, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ladder standoff will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-16857