Multi-section telescopic boom

Details Multi-section telescopic boom Multi-section telescopic boom

1980-06-23

1982-04-20

Faw, Jr., Price C.

Static structures (e.g., buildings)

Mechanism operated relatively movable shaft assembly

Fluid pressure actuated

52118, 212268, E04H 1234

Patent

active

RE0309052

ABSTRACT:
A multi-section telescopic jib or boom comprising a base section and three movable sections mounted to extend or retract relative to each other on operation of drive means within the sections, including a first ram connected between the base section and the innermost sections, a second ram connected between the innermost and central sections and a chain having [ends connected between the innermost section or the first ram] one end connected to the lowermost section or first ram and the other end connected to the innermost section and engaging a chain wheel mounted on the central section or second ram, means being provided to releasably connect the chain to the outermost section to extend the boom.

REFERENCES:
patent: 3749254 (1973-07-01), Grider
patent: 3817007 (1974-06-01), Hall
patent: 3842985 (1974-10-01), Suede
patent: 4057942 (1977-11-01), Kromefield et al.

Affiliated with

Also associated with

Rating

Multi-section telescopic boom does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1257212