F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
30/53, 30/63
F15B 15/18 (2006.01) B26B 15/00 (2006.01)
Patent
CA 1089638
ABSTRACT The specification discloses A hydraulic pressure operated emergency hand tool of the type in which manual pressure exerted on an all position small-area pump piston creates a hydraulic pressure which is communicated to a power cylinder for activating a plural jaw tool member, such as a pair of cutter blades. The jaw members are pivoted together intermediate their ends and one end of each is pivotally connected one to the power cylinder opposite the free end of the piston and the other to the free end of the piston. A release valve provides instant return displacement of hydraulic medium via a by-pass communi- cation from the cylinder to the reservoir to relieve the acti- vating pressure on the cutter blade and restore it promptly to normal position. Interchangeable tool members are provided.
332357
Keigley Ronald E.
Smart & Biggar
LandOfFree
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