Hydraulic lift boom attachable to a tractor's draw bar and three

Details Hydraulic lift boom attachable to a tractor's draw bar and three Hydraulic lift boom attachable to a tractor's draw bar and three

1998-04-06

2000-02-29

Underwood, Donald W.

Material or article handling

Vertically swinging load support

Shovel or fork type

212202, 212204, B66F 900

Patent

active

060301708

ABSTRACT:
The hydraulic lift boom attachment including a support frame and a telescopic lifting arm wherein the support frame is coupled to a tractor's three point hitch which hydraulically raises or lowers the support frame. The telescopic lifting arm has one end coupled to the support frame and the other end is coupled to the tractor's draw bar via a pulley assembly to rotate such other end of the telescopic lifting arm when the support frame is hydraulically raised or lowered. Furthermore, the support frame of the hydraulic lift boom attachment includes a telescopic vertical support assembly to vary the vertical height of the telescopic lifting arm.

REFERENCES:
patent: 2804979 (1957-09-01), Lassiter
patent: 3940000 (1976-02-01), Mousel
patent: 4067471 (1978-01-01), Roatcap
patent: 4068774 (1978-01-01), Howell, Jr.
patent: 4345871 (1982-08-01), Kalif
patent: 4394107 (1983-07-01), Siebert
patent: 5129775 (1992-07-01), Coats et al.
patent: 5195726 (1993-03-01), Kaner

Affiliated with

Also associated with

Rating

Hydraulic lift boom attachable to a tractor's draw bar and three 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 lift boom attachable to a tractor's draw bar and three, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulic lift boom attachable to a tractor's draw bar and three will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-676895