Pruning hook with two operation modes

Details Pruning hook with two operation modes Pruning hook with two operation modes

2009-07-21

2011-12-06

Payer, Hwei C (Department: 3724)

Cutlery

Cutting tools

Plural cooperating blades

C030S245000

Reexamination Certificate

active

08069573

ABSTRACT:
A pruning hook includes an extension shank (30), a blade unit (10) including a fixed blade (12) mounted on the extension shank and a movable blade (13) pivotally connected with the fixed blade, a driving cord (15) connected with the movable blade, a slide (16) connected with the driving cord, a pull cord (20) connected with the slide, a control member (40) movably mounted on the extension shank and connected with a first end (21) of the pull cord, and a pulling member (50) movable relative to the extension shank and connected with a second end (22) of the pull cord. Thus, the blade unit is driven by the control member or the pulling member so that the blade unit has two operation modes to facilitate a user operating the pruning hook to perform a cutting action.

REFERENCES:
patent: 2593323 (1952-04-01), Magnussen et al.
patent: 2744322 (1956-05-01), Gustafson
patent: 3715805 (1973-02-01), Fraser
patent: 5933965 (1999-08-01), Linden et al.
patent: 5950315 (1999-09-01), Linden
patent: 6178644 (2001-01-01), Le et al.
patent: 6345445 (2002-02-01), Schofield
patent: 7658011 (2010-02-01), Shan
patent: 2010/0192385 (2010-08-01), Pittau
patent: 2010/0299938 (2010-12-01), Wu
patent: 2010/0299939 (2010-12-01), Wu
patent: 2011/0016730 (2011-01-01), Wu
patent: 2011/0107606 (2011-05-01), Shan
patent: 2011/0113635 (2011-05-01), Lee et al.

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