Self-leveling support

Fire escape – ladder – or scaffold – Ladder – Supporting surface compensating means

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C248S188200

Reexamination Certificate

active

06837339

ABSTRACT:
A self-leveling support includes a first stile (1) and a second stile (2), a first leg member (6) and a second leg member (7), each having an elongate element adapted to move longitudinally relative to one of the stiles (1, 2), a spacer (3) adapted to secure the stiles (1, 2) substantially parallel to each other, and a cross member (8) adapted to pivot about a pivot pin (9) acting in a guide (10) in the spacer (3) substantially midway between the stiles (1, 2), the cross member being connected at each end to a respective portion of the leg members, angular movement of the cross member about or with the pivot pin causing one leg member to move outwards relative to its respective stile while the other leg member moves inwards relative to its respective stile.

REFERENCES:
patent: 1516988 (1924-11-01), Redman
patent: 3027969 (1962-04-01), Erickson
patent: 3037581 (1962-06-01), Feltrop
patent: 3233702 (1966-02-01), Feltrop
patent: 4243122 (1981-01-01), Coutts
patent: 1.232.330 (1960-10-01), None
patent: 2 037 357 (1980-07-01), None

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

Self-leveling support does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Self-leveling support, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Self-leveling support will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3421616

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