Roller hold down device

Details Roller hold down device Roller hold down device

1987-06-02

1992-11-10

Bilinsky, Z. R.

Gear cutting, milling, or planing

Milling

With regulation of operation by templet, card, or other...

5116571, 51231, 83451, 144249A, 408 3, 408 4, 408 98, 409141, 409189, 409197, B23B 4700, B23C 313, B23Q 1500

Patent

active

RE0341258

ABSTRACT:
A roller hold down device for removable work table which has a pair of rollers which extend transversely across the workpiece mounted on the movable table so as to hold it down and with a pair of cam roller members mounted on either side of the movable table and formed with cam portions so as to engage the rollers at the end of travel so as to force the rollers up away from the workpiece and also so as to prevent the rollers from falling off of the end of the workpiece. The rollers are controlled by hydraulic cylinders which can be actuated to automatically move them to the down position and also to move them to the up position.

REFERENCES:
patent: 83684 (1868-11-01), Baily
patent: 1356726 (1920-10-01), Lundquist
patent: 1714213 (1929-05-01), Claybourn
patent: 2679871 (1954-06-01), Ford
patent: 3277935 (1966-10-01), Rebick
patent: 3738403 (1973-06-01), Schwoch et al.
patent: 4212570 (1980-07-01), Larsson
patent: 4213315 (1978-12-01), Keller et al.
patent: 4251174 (1981-02-01), Satler
patent: 4304512 (1981-12-01), Vierstraete
patent: 4382728 (1983-05-01), Anderson et al.
patent: 4531438 (1985-07-01), Pair

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