Device for cutting pieces of predetermined length from endless,

Details Device for cutting pieces of predetermined length from endless, Device for cutting pieces of predetermined length from endless,

1976-12-17

1978-03-28

Meister, J. M.

Cutting

Tool engages work during dwell of intermittent workfeed

Means to change tool position, or length or datum position...

83261, B26D 524

Patent

active

040808572

ABSTRACT:
A driven disk having a units of length scale about the circumference is mounted on an axis parallel with the axis of a freely rotatable pressure roller mounted on a spring biased lever which in one position urges the pressure roller toward the disk such that strand material can be engaged by cooperating circumferential grooves in the disk and roller and advanced on rotation of the disk. A guide for the strand material, tangential to the disk, is disposed on opposite sides of the pressure roller with the output end forming a counterblade for a cut-off blade on the end of the lever which also has a cam surface which cooperates with a roller on the underside of the disk for moving the lever and pressure roller away from the disk and the cut-off blade to the strand material cut-off position. At the beginning of the strand advancing cycle a pawl cooperating with the lever holds the pressure roller out of contact with the disk until an adjustable pointer on the disk length scale moves into contact with and removes the pawl from a position blocking the movement of the pressure roller and strand material into contact with the disk.

REFERENCES:
patent: 1284289 (1918-11-01), Foote
patent: 1597754 (1926-08-01), Sevigne et al.
patent: 2826251 (1958-03-01), Hopkins
patent: 3009617 (1961-11-01), Brown
patent: 3176563 (1965-04-01), Sharpe
patent: 3203608 (1965-08-01), Mogolis
patent: 3465629 (1969-09-01), Krueger

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