Fire escape – ladder – or scaffold – Traversing – track-mounted
Patent
1995-02-10
1997-09-30
Melius, Terry Lee
Fire escape, ladder, or scaffold
Traversing, track-mounted
182 82, 182113, 182150, E04G 310
Patent
active
056718233
ABSTRACT:
A collapsible catwalk comprising a support frame having a base and a top section, trolley members mounted on the frame top section adapted to suspend the support frame for lateral linear travel on at least one horizontal support rail, at least one guide wheel extending rearwardly from the support frame for maintaining the support frame vertical and for facilitating and guiding the support frame during lateral linear travel, a platform pivotally mounted on the support frame at the base thereof for pivotal movement from a substantially vertical retracted position to a substantially horizontal extended forward position, and collapsible safety rails surrounding the platform pivotally mounted on the platform for collapse upon retraction of the platform and for erection upon extension of the platform. The collapsible catwalk may additionally comprise a brake extending rearwardly from the platform for stopping the lateral movement of the catwalk when the platform is mentioned to its horizontal position.
REFERENCES:
patent: 2170689 (1939-08-01), Loomis
patent: 2888299 (1959-05-01), Balogh
patent: 3124213 (1964-03-01), Jorsey
patent: 3391757 (1968-07-01), Duke et al.
patent: 3900080 (1975-08-01), Rea
patent: 3907066 (1975-09-01), Newton
patent: 4396092 (1983-08-01), Thompson
patent: 4440262 (1984-04-01), Hunt et al.
patent: 4482284 (1984-11-01), Robbins et al.
patent: 4546973 (1985-10-01), Mouser
patent: 4570749 (1986-02-01), McKibbin
patent: 4679657 (1987-07-01), Bennett et al.
patent: 5065838 (1991-11-01), Finley
patent: 5273239 (1993-12-01), De Parny et al.
Fors Arne I.
Melius Terry Lee
Novosad Christopher J.
Schlosser Dale E.
LandOfFree
Collapsible catwalk does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Collapsible catwalk, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Collapsible catwalk will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2251305