Counterbalanced telescopic rollbar for tractors

Details Counterbalanced telescopic rollbar for tractors Counterbalanced telescopic rollbar for tractors

1991-02-19

1992-07-14

Marmor, Charles A.

Land vehicles

Wheeled

Attachment

B60R 2113

Patent

active

051296764

ABSTRACT:
A telescopic rollover protective structure for use with an orchard tractor is disclosed wherein the protective member is operatively engaged with a counterbalancing spring to offset the weight thereof and to facilitate the movement of the protective structure between raised and lowered positions. A locking mechanism is connected to the mounting frame and engageable with the movable protective member to restrict movement thereof when the locking mechanism is engaged therewith. The counterbalancing system includes a compression spring concentrically mounted on a telescopic rod housed within the hollow protective member legs.

REFERENCES:
patent: 3292726 (1966-12-01), Jette, Jr.
patent: 4148504 (1979-04-01), Rushing
patent: 4158460 (1979-06-01), White
patent: 4877265 (1989-10-01), DeBraal et al.
patent: 4949991 (1990-08-01), Ludwig
Selected pages of Parts Manual for Model 2855N Orchard Tractor by Deere & Co. (Jan. 1987).
Advertising/Marketing Brochure entitled "Orchard/Vineyard and High-Clearance Tractors" dated 1988.

Affiliated with

Also associated with

Rating

Counterbalanced telescopic rollbar for tractors does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Counterbalanced telescopic rollbar for tractors, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Counterbalanced telescopic rollbar for tractors will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-331198