Turning – Lathe – Work rest
Patent
1993-12-07
1994-09-20
Terrell, William E.
Turning
Lathe
Work rest
82127, B23B 1300, B23B 1312
Patent
active
053478975
ABSTRACT:
A guide apparatus for guiding an elongated rotary member comprises first and second plate members, each including a through-hole to define a longitudinal axis and a passage through-which the elongated member may pass. The second plate member is rotatable relative to the first plate member about the longitudinal axis. A bearing mechanism supports the second plate member for rotation and for preventing relative radial movement between the first and second plate members. A movable guiding mechanism comprises at least three guide fingers carrying a guide roller at their inner ends. The guide fingers are actuated by an air or hydraulic cylinder to swung radially inwardly such that the guide rollers contact the elongated rotary member. A pick-up finger is connected to one of the guide fingers to raise the elongated rotary member to the center of the passage. The bearing mechanism may comprise rotary elements which minimize friction between the first and second plate members. A stop device limits the extent to which the guide fingers can be swung inwardly toward the center of the passage. An adapter is provided for enabling elongated members of non-circular cross-section to be supported by the guide apparatus.
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