B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
77/3
B23B 39/14 (2006.01) B23Q 9/00 (2006.01)
Patent
CA 1116892
ABSTRACT OF THE DISCLOSURE Dismountable machining apparatus for use at different work site locations, and having base means releaseably attachable to a workpiece, and having a collar including an opening having a predetermined central axis and having attachment means, drive housing means connecting releaseably with the attachment means, and defining a central opening in registration with said central opening of said portions, so that the drive housing means may be assembled and disassembled from said base member at a work site, drive sleeve means in the drive housing incorporating a central bore, drive transmission means for the drive sleeve means, and adapted to be coupled to a power source for driving the drive sleeve, an auxiliary drive connected to the drive sleeve, and driven in unison therewith, a machining bar member slidably received within the drive sleeve whereby the machining bar member may be rotatably driven by the drive sleeve, and may be axially slid therein, and being releaseable, a feed housing and a feed sleeve member for rotation therein, the feed sleeve member defining a central bore for the machining bar member therein, whereby the feed sleeve member rotates therewith, a feed connecting member extending to one side of the feed housing, a feed screw and a feed screw advancing mechanism coupled to the feed screw, and having a drive transmission coupled to the auxiliary drive, whereby the feed screw means may cause axial lengthwise movement of the screw and feed housing and thus feed of the machining bar member within the sleeve member, and including a tool bit mounting for a suitable tool bit and releaseably fastenable at one end of the machining bar member.
345147
Bauer Wolfgang
Rolston George A.
LandOfFree
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