Tool controlling mechanisms for excavator with telescopic arm

Details Tool controlling mechanisms for excavator with telescopic arm Tool controlling mechanisms for excavator with telescopic arm

1991-08-08

1993-12-07

Huppert, Michael S.

Material or article handling

Vertically swinging load support

Shovel or fork type

414912, 414694, 52118, 212268, B66C 2300

Patent

active

052678245

ABSTRACT:
An excavator comprising a movable body, a boom mounted on the movable body, first hydraulic cylinders, an outer arm pivotally mounted on the boom, a second hydraulic cylinder mounted on a rear surface of the boom, an inner arm inserted into the outer arm and movable telescopically relative to the outer arm, a bucket connected to one end of the inner arm, a bucket connected to the tip end of the inner arm, a bucket cylinder provided between the bucket and a guide mechanism, the guide mechanism being slidably mounted on guide plates fixed to the outer arm, a third hydraulic cylinder connected to a base end of the outer arm and having a rod connected to a central portion of the inner arm for moving the inner arm relative to the outer arm, and an interlocking device connected between the guide mechanism and the front portion of the inner arm. A hook mechanism can be mounted at a front portion of the inner arm.

REFERENCES:
patent: 3245559 (1966-04-01), Russell
patent: 3390794 (1968-07-01), McMullen et al.
patent: 3624785 (1971-11-01), Wilson
patent: 3688930 (1972-09-01), Shumaker
patent: 3836025 (1974-09-01), Olson et al.
patent: 3874532 (1975-01-01), Metailler
patent: 4274797 (1981-06-01), Coon
patent: 4293270 (1981-10-01), Prime
patent: 4523684 (1985-06-01), Baisden
patent: 4699562 (1987-10-01), Crook et al.
patent: 4793765 (1988-12-01), Paul et al.

Affiliated with

Also associated with

Rating

Tool controlling mechanisms for excavator with telescopic arm does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tool controlling mechanisms for excavator with telescopic arm, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tool controlling mechanisms for excavator with telescopic arm will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2012186