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Class Information
Number: 226/146
Name: Advancing material of indeterminate length > By intermittent (interrupted) material-mover > With overtravel preventer > And retrograde movement preventer
Description: Device provided with means to preclude reverse motion of the material.

Patents under this class:

Patent Number Title Of Patent Date Issued
4844444 Roll feed apparatus Jul. 4, 1989
4638991 Adjustable nip roll feed apparatus with braking/releasing device Jan. 27, 1987
4638990 Roll feed apparatus with adjustable nip Jan. 27, 1987
4558809 Gripper feed system for blanking presses or the like Dec. 17, 1985
4549683 Roll feed apparatus Oct. 29, 1985
4549680 Precise intermittent feeding apparatus for edgewise perforated carrier sheet material Oct. 29, 1985
4549347 Contact insertion and wire lay robotic end effector apparatus Oct. 29, 1985
4310114 Control arrangement for dual slide pneumatic feeders Jan. 12, 1982
4267950 Stock feeder for punch presser and the like May. 19, 1981
4195761 Pneumatic feeder for punch presses and the like Apr. 1, 1980
4076161 Stock feeder for punch presses and the like Feb. 28, 1978
4051987 High speed stock feeder for punch presses and the like Oct. 4, 1977
4043494 Apparatus for feeding a plurality of wires Aug. 23, 1977
3986776 Automatic baseline compensator for optical absorption spectroscopy Oct. 19, 1976

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