Cutlery – Pipe and rod cutters – Adapted to cut pipe or rod longitudinally
Patent
1991-04-22
1991-12-10
Rosenbaum, Mark
Cutlery
Pipe and rod cutters
Adapted to cut pipe or rod longitudinally
30180, 30182, B23D 2106
Patent
active
050706160
ABSTRACT:
A pipe cutter includes a mouth formed in the front portion of a body for receiving a pipe to be cut, a handle pivotally coupled to the body and located in front of a grip, an upper cylinder and a lower cylinder coupled together, a container disposed in the body, and a cutter fixed to the piston rod of the upper cylinder. The container is connected between the cylinders. The hydraulic oil contained in the lower cylinder can be caused to flow into the upper cylinder when the handle is repeatedly pulled so that cutter can be caused to move forward in order to cut the pipe.
REFERENCES:
patent: 2536709 (1951-01-01), Ashton et al.
patent: 2714250 (1955-08-01), Twedt
patent: 2722740 (1955-11-01), Hubbard
patent: 2863214 (1958-12-01), Szappanyos
patent: 3255525 (1966-06-01), Frenzel
patent: 3469481 (1969-09-01), Cloup
patent: 3922782 (1975-12-01), Lind
patent: 4198748 (1980-04-01), Lewis
patent: 4208792 (1980-06-01), Swig, Jr.
patent: 4359821 (1982-11-01), Pellenc
patent: 4949461 (1990-08-01), van der Merwe et al.
Payer Hwei-Siu
Rosenbaum Mark
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