Extension handle for tree top pruners

Details Extension handle for tree top pruners Extension handle for tree top pruners

1992-08-17

1993-07-20

Watts, Douglas D.

Cutlery

Cutting tools

Plural cooperating blades

302961, 151444, 16115, B25G 300, B25G 104

Patent

active

052282023

ABSTRACT:
An extension handle for a tree pruner consisted of an inner sleeve movably retained inside a connecting socket to hold a handle tube and a shear holder tube, wherein the inner sleeve has an inward flange to stop the handle tube, a plurality of raised portions adjacent to the bottom end thereof engaged into respective recessed holes on the handle tube to hold the handle tube in place, a plurality of steel balls in respective recessed holes adjacent to the top end thereof engaged into respective recessed holes on the shear holder tube to hold the shear holder tube in place. A constraining ring is mounted on a top flange on the connecting socket and retained in place by hooks to constrain the steel balls inside the respective recessed holes on the inner sleeve. The shear holder tube has a tightening up screw for fastening a tree pruner.

REFERENCES:
patent: 2228635 (1941-01-01), Magennis
patent: 2259642 (1941-10-01), Hoyt
patent: 2932047 (1960-04-01), Johnston
patent: 4154545 (1979-05-01), Pinto et al.
patent: 4440517 (1984-04-01), Potter et al.
patent: 4524484 (1985-06-01), Graham
patent: 4654971 (1987-04-01), Fettes et al.
patent: 4916818 (1990-04-01), Panek
patent: 4922577 (1990-05-01), Unger

Affiliated with

Also associated with

Rating

Extension handle for tree top pruners does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Extension handle for tree top pruners, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Extension handle for tree top pruners will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1752631