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Class Information
Number: 226/57
Name: Advancing material of indeterminate length > Means to engage longitudinally spaced modifications in material > Prong operable intermittently to prevent longitudinal material movement (e.g., registration pins) > With positive actuator to project and to retract prong
Description: Device provided with means to drive the prong both into and out of engagement with the material modifications.

Patents under this class:

Patent Number Title Of Patent Date Issued
7753528 Film transport device Jul. 13, 2010
7243828 Tape feeder for component mounter and method of automatically setting tape initial position by the same Jul. 17, 2007
6435393 Filmstrip transport mechanism with compensation for perforation pitch variations for improved film registration Aug. 20, 2002
6019268 Method for fabricating plastic cards Feb. 1, 2000
5713503 Film transport mechanism having automatic stroke adjustment Feb. 3, 1998
5423467 Film registration gate assembly Jun. 13, 1995
5328073 Film registration and ironing gate assembly Jul. 12, 1994
5170921 Adjustable feeder having two-part camming finger Dec. 15, 1992
4950071 Film registration apparatus and shutter for a camera and method Aug. 21, 1990
4821556 Stamping and forming machine having improved pilot pins Apr. 18, 1989
4702577 Film transport device Oct. 27, 1987
3941287 Film pull-down mechanism Mar. 2, 1976

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