Hydraulic manhole cover lifter

Details Hydraulic manhole cover lifter Hydraulic manhole cover lifter

1987-04-20

1988-12-06

Basinger, Sherman D.

Traversing hoists

Closure remover

212162, 2121421, B66C 2318

Patent

active

047890720

ABSTRACT:
A manually actuated, hydraulic manhole cover lifter (10) comprises a frame (12) mounted on wheels (58)and adapted to straddle a manhole. An actuator (30) is mounted on the frame. The actuator comprises a cylinder (36) connected to a pump (34). A magnet (50) is connected to the cylinder (36) for engagement with the metallic manhole cover.

REFERENCES:
patent: 270675 (1883-01-01), Hunter
patent: 491933 (1893-02-01), Aiken
patent: 2068825 (1937-01-01), Stevenson
patent: 2804979 (1957-09-01), Lassiter
patent: 3281880 (1966-11-01), Bender
patent: 3689369 (1972-09-01), Tucker
patent: 4076215 (1978-02-01), Landert
patent: 4157811 (1978-02-01), Haller
patent: 4181290 (1980-01-01), Affolter
patent: 4365925 (1982-12-01), Girtz
patent: 4515660 (1985-05-01), Kwasnik
patent: 4546891 (1985-10-01), Lanigan

Affiliated with

Also associated with

Rating

Hydraulic manhole cover lifter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hydraulic manhole cover lifter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulic manhole cover lifter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1489471