Turning – Portable lathe for pipe turning
Patent
1995-08-10
1997-04-15
Rachuba, M.
Turning
Portable lathe for pipe turning
82123, 82111, 408102, B23B 516
Patent
active
056198930
ABSTRACT:
A squaring machine has an elongate generally cylindrical housing with an axially mounted motor at one end of the housing which rotates a shaft extending through the axis of the housing. The shaft is longitudinally moveable within the housing, and a non-rotatable inner sleeve is fitted around the shaft and is fixed for longitudinal movement with the shaft. The housing has a feed ring which is axially slidable but non-rotatably fixed around the tubular section, and a pin extends through a slot in the housing and the pin is connected to both the feed ring and the inner sleeve such that the feed ring, the inner sleeve, and the shaft move longitudinally in unison with respect to the housing. Rotation of a feed nut, which threadably engages the feed ring, causes axial movement of the feed ring along the tubular portion of the housing, and simultaneous axial movement of the shaft.
REFERENCES:
patent: 4090805 (1978-05-01), Grimsley
patent: 4365528 (1982-12-01), Astle
patent: 4437366 (1984-03-01), Astle
patent: 4510828 (1985-04-01), Bogaerts et al.
patent: 4592681 (1986-06-01), Pennison et al.
patent: 4867021 (1989-09-01), Bogaerts et al.
Rachuba M.
The E. H. Wachs Company
Tsai Henry W.H.
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