Electrically powered hand held pipe cutter

Details Electrically powered hand held pipe cutter Electrically powered hand held pipe cutter

1999-04-26

2000-08-01

Tsai, Henry W. H.

Turning

Severing or cut-off

Infeed means

82 991, 82113, 82128, 82130, B23B 322

Patent

active

060950218

ABSTRACT:
A hub assembly includes a sector gear with teeth that extend over a segment of a gear circle. The sector gear has a lip along an interior circle within the gear circle and concentric therewith. The sector gear is bracketed by a pair of sector plates that have the general shape of a portion of a hollow cylinder. The lip and the plates are substantially a portion of a hollow cylinder with an inside that is a boundary of the interior of the hub assembly. A spring urges a pair of rotatable bearings into contact with a pipe that is within the hub assembly. A spring urges the blade into contact with the pipe the pipe. A motor causes a rotation of the hub assembly about the pipe, thereby cutting the pipe.

REFERENCES:
patent: 3379080 (1968-04-01), Massa
patent: 4770074 (1988-09-01), Kwech
patent: 4939964 (1990-07-01), Ricci
patent: 5054342 (1991-10-01), Swiatowy et al.
patent: 5549024 (1996-08-01), Ricci

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