Workpiece holder and feeder device for band saws and other machi

Details Workpiece holder and feeder device for band saws and other machi Workpiece holder and feeder device for band saws and other machi

1976-10-04

1978-05-16

Hoffman, Drayton E.

834351, 83474, B23Q 524

Patent

active

040894282

ABSTRACT:
A workpiece holder and feeder mountable on a rectangular base of a machine tool, comprises a pair of parallel cross-bars engagable with two opposed sides of the base, and a pair of angle bars fixed at the opposite ends of each cross-bar, each angle bar having a leg fixed to the respective cross-bar, and another leg engagable with the remaining two opposed sides of the base. A pair of parallel guide bars are fixed to the cross-bars parallel to the latter leg of the angle bars. The holder further includes a table for supporting the workpiece and slidable on the base between the guide bars towards the machine tool, a cable having one end fixed to one of the bars, a weight suspended from the opposite end of the cable, and a plurality of rollers engaging an intermediate portion of the cable such that the weight applies a continuous and uniform feeding force, as the weight lowers, to feed the table and the workpiece carried thereon towards the machine tool.

REFERENCES:
patent: 1347536 (1920-07-01), Downie
patent: 1886321 (1932-11-01), Walker
patent: 2363745 (1944-11-01), Petersen

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