Extendable pruner

Cutlery – Cutting tools – Plural cooperating blades

Patent

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Details

30245, B26B 1300

Patent

active

050849751

ABSTRACT:
A portable extendable pruner for cutting limbs, branches and the like, the pruner including a hollow elongate housing assembly having a pair of telescoping tubular sections, a shears mounted on the outer end of one of the sections, an actuating element mounted on the outer end of the other of the sections, a first cable for connecting the actuating element to the shears, a second cable having one end connected to one of the tubular sections and the other end connected to the other of the tubular sections, and a compensating pulley assembly connecting the second cable to the first cable to maintain tension in the first cable when the tubular sections are moved axially relative to each other to adjust the length of the housing assembly.

REFERENCES:
patent: 1610015 (1926-12-01), Kozma
patent: 1801675 (1931-04-01), Maguire
patent: 2569888 (1951-10-01), Gustafson
patent: 2744322 (1956-05-01), Gustafson
patent: 3317997 (1967-05-01), Hedstrom et al.
patent: 3360858 (1968-01-01), Cowley
patent: 3594903 (1971-07-01), Schluchter
patent: 3835535 (1974-09-01), Robison et al.
patent: 4096630 (1978-06-01), Honick
patent: 4224739 (1980-09-01), Emblidge
patent: 4924573 (1990-05-01), Huddleston et al.

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