Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Locking means
Patent
1986-07-14
1988-01-26
Smith, Gary L.
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Locking means
82 36A, 29 485R, 74813R, 74816, 91 44, 263 70, 408 35, B23B 2924, B23Q 1724
Patent
active
047210176
ABSTRACT:
A new and improved indexing table for supporting a workpiece on a machine tool and the like includes a base with a workpiece supporting table carried on a support shaft journaled for rotation to index the workpiece for machine tool operations. A drive system is provided for rotating the table in one direction about a longitudinal axis of the support shaft and an indexing wheel is provided on the shaft having a plurality of index slots spaced angularly around the periphery for securing the table in selected indexing positions. A shot pin is provided for engaging selected slots in the wheel to lock the table in a fixed position and when the shot pin is retracted, the table is then permitted to rotate toward a next indexing position. Removable stops are insertable into the index wheel at selected positions corresponding to index slots therein and the stops in combination with a stop system are effective to arrest rotation of the workpiece and supporting table as the table is rotationally indexed toward and reaches a next selected index position.
REFERENCES:
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patent: 4109552 (1978-08-01), Imoberdorf
patent: 4524655 (1985-06-01), Waldron et al.
patent: 4574660 (1986-03-01), Kaminsky et al.
Jorgensen Arne R.
Tiberius Dennis E.
Luong Vinh
Smith Gary L.
Snow Manufacturing Company
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