Cutting – Tool carrier or guide affixed to work during cutting – By flexible work-engaging member
Patent
1993-10-18
1995-10-24
Rada, Rinaldi I.
Cutting
Tool carrier or guide affixed to work during cutting
By flexible work-engaging member
83487, 83745, 30 925, F16L 5518, B26D 118
Patent
active
054600715
ABSTRACT:
A carriage having rotary cutter wheels is mounting for reciprocation on a frame adapted to be rigidly secured to a pipe casing which is desired to be split along a line parallel to its axis. A hydraulic motor is mounted to the frame at one end of the carriage. A rotary crank driven by the motor is coupled to an arm which is also coupled to drive the carriage in a reciprocating motion. An adjustable hydraulic valve controls the speed of the motor, and thus the speed of the cutter. An adjustable stabilizer is mounted to the frame to stabilize the cutter by bracing against the carrier pipe within the casing.
REFERENCES:
patent: 1315865 (1919-09-01), Schanno
patent: 3613236 (1971-10-01), Lauck
patent: 5009007 (1991-04-01), Martin et al.
patent: 5185928 (1993-02-01), Martin et al.
Barrett Robert E.
Voss Herman A.
Dexter Clark F.
Northern Illinois Gas Company
Rada Rinaldi I.
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