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Class Information
Number: 226/147
Name: Advancing material of indeterminate length > By intermittent (interrupted) material-mover > With retrograde movement preventer
Description: Device provided with means to preclude reverse movement of the material.

Sub-classes under this class:

Class Number Class Name Patents
226/149 Positively actuated to grip 28
226/148 Unidirectionally rotating roll 13
226/151 Yieldingly biased 34

Patents under this class:

Patent Number Title Of Patent Date Issued
6672802 Vertical pull apparatus Jan. 6, 2004
6179190 Tape feeder of chip mounter Jan. 30, 2001
6024266 System and method for transporting and clamping flexible film structures Feb. 15, 2000
5957360 System and method for transporting and clamping flexible film structures Sep. 28, 1999
5605324 One way gate Feb. 25, 1997
5320039 Web engagement system for an off-reel printing press Jun. 14, 1994
5112004 Strap dispensing and accumulating apparatus and combination of same with strapping machine May. 12, 1992
5102026 Apparatus for an intermittent feeding of a webshaped workpiece Apr. 7, 1992
4869393 Method and apparatus for peeling a covering tape from a component supply tape Sep. 26, 1989
4764041 Multifunctional cassette with web brake for a printer Aug. 16, 1988
4753381 Stock feed apparatus Jun. 28, 1988
4693297 Installation for the step by step vertical extraction of a continuous cast product Sep. 15, 1987
4669645 Stock feed apparatus Jun. 2, 1987
4605147 Roll feed apparatus Aug. 12, 1986
4408916 Feed-in device for continuous forms for a printer Oct. 11, 1983
4106324 Feeding mechanism Aug. 15, 1978
4015763 Alignment pawl for film-carrier advance mechanism Apr. 5, 1977
4014488 Fastener feed apparatus and method Mar. 29, 1977
3983593 Conduit cleaning apparatus Oct. 5, 1976

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