Turning – Process of turning
Patent
1987-12-29
1989-01-24
Schmidt, Frederick R.
Turning
Process of turning
82 4R, 82 2R, B23B 322
Patent
active
047994096
ABSTRACT:
The present invention comprises a portable end preparation apparatus having a housing 11 and motor 15 cooperatively connected to the housing. A mandrel 29 is positioned in the housing. A rotating drive member 41 is rotatably mounted on the mandrel 29 and includes a bull gear 50, base member cooperatively connected to the bull gear and a head member 52 releasably and cooperatively connected to the base member 42. Further, a tool module 58 is releasably mounted on the head member 52. The apparatus 10 may also include extension members 56 and a thrust bearing 80. Still further, the apparatus 10 allows for up to a five degree tilt of the mandrel assembly 29.
REFERENCES:
patent: 3717055 (1973-02-01), Pendleton
patent: 4493232 (1985-01-01), Nall
Cruz Lawrence
Schmidt Frederick R.
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