Counterbalancing type crane

Traversing hoists – Having means facilitating assembly or disassembly – Of counterweight from hoist

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

212196, B66C 2372

Patent

active

047113588

ABSTRACT:
A counterbalancing type crane including a crane body provided with a travelling unit and a swing unit, a tiltable boom for hanging a load through a hoisting line, a tiltable mast, a boom guy line disposed between an upper portion of the mast and an upper portion of the boom, the boom guy line being changeable in length, a mast guy line attached at an upper end thereof to the upper portion of the mast, a gantry disposed at a rear portion of the swing unit, and a counterweight car with a counterweight placed thereon. The counter weight car is vertically pivotably and removably connected to the rear portion of the swing unit through a connecting arm, a strut is connected between an upper portion of the counterweight car and an upper portion of the gantry, a guy rope is connected between the upper portion of the counterweight car and the swing unit below the gantry, and a lower end of the mast guy line is attached to the counterweight car so that it can be detached therefrom and attached to an upper end portion of the gantry.

REFERENCES:
patent: 3278045 (1966-10-01), Potter et al.
patent: 3930583 (1976-01-01), Jouffray
patent: 4540097 (1985-09-01), Wadsworth et al.
patent: 4579234 (1986-04-01), Delago et al.
patent: 4614275 (1986-09-01), Zenno

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

Counterbalancing type crane does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-18316

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