Cutlery – Cutting tools – Plural cooperating blades
Patent
1985-09-09
1987-09-29
Yost, Frank T.
Cutlery
Cutting tools
Plural cooperating blades
30245, 30187, 30249, B26B 1300
Patent
active
046961070
ABSTRACT:
In pruning shears a rope-and-pulley device is incorporated between the shears legs in such a manner that by pulling the free end of the rope an amplified closing force is obtained. For convenient remote operation one shears leg force lever arm is connected fixedly or detachably to a handle of any desired length, by a handle securing coupling which extends parallel to the shears leg. An opening spring biases the shears in the opening direction.
REFERENCES:
patent: 598428 (1898-02-01), Manning
patent: 2242476 (1941-05-01), Newman
Fridie Jr. Willmon
Wolf-Gerate GmbH
Yost Frank T.
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