Implements or apparatus for applying pushing or pulling force – Pipe or rod jack – Lifter
Reexamination Certificate
2005-02-22
2005-02-22
Wilson, Lee D. (Department: 3723)
Implements or apparatus for applying pushing or pulling force
Pipe or rod jack
Lifter
C254S02900A, C254S132000
Reexamination Certificate
active
06857619
ABSTRACT:
A post puller system for efficiently removing posts from a ground surface. The post puller system includes a frame attachable to a loader of a tractor, an extended structure extending from the frame, a first jaw pivotally attached to the extended structure, an actuator unit attached between the frame and the first jaw, and a second jaw and a third jaw attached to the extended portion. A post is positioned between the jaws and the actuator unit closes the first jaw with respect to the second jaw and the third jaw until catchably engaged. The user then lifts the post from the ground surface.
REFERENCES:
patent: 2482950 (1949-09-01), Toftey
patent: 3848850 (1974-11-01), Bernis
patent: 4226402 (1980-10-01), Muth
patent: 4256286 (1981-03-01), Hudgins
patent: 4706935 (1987-11-01), Thompson
patent: 4750711 (1988-06-01), Landry
patent: 4846445 (1989-07-01), Pfeffer
patent: 5211374 (1993-05-01), Head et al.
patent: 5242152 (1993-09-01), Schatz
patent: 5526637 (1996-06-01), Leonard
patent: 5794918 (1998-08-01), Price
patent: 6056271 (2000-05-01), Riojas
patent: 6382594 (2002-05-01), Ransom
patent: 6641347 (2003-11-01), Ewington
LandOfFree
Post puller system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Post puller system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Post puller system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3504166