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Class Information
Number: 226/49
Name: Advancing material of indeterminate length > Selectively reversible material mover
Description: Device provided with means to optionally advance material either in one longitudinal* direction or in an opposite longitudinal* direction.










Sub-classes under this class:

Class Number Class Name Patents
226/51 By optional drive trains 7
226/50 By optional moving means 8


Patents under this class:

Patent Number Title Of Patent Date Issued
6092798 Ticket issuing apparatus Jul. 25, 2000
6053387 Strap driving device for looping machines Apr. 25, 2000
5947617 Skew correction mechanism for a roll paper Sep. 7, 1999
5358592 Bag making machine control Oct. 25, 1994
5320039 Web engagement system for an off-reel printing press Jun. 14, 1994
5215392 Dot line printer with paper slack elimination mechanism Jun. 1, 1993
5016041 Image recording apparatus having sheet nip releasing mechanism and shutter mechanism May. 14, 1991
4930415 Automatic web guide roller cleaning device Jun. 5, 1990
4735521 Drive apparatus for a printer mechanism Apr. 5, 1988
4504337 Tire building machinery Mar. 12, 1985
4389611 Apparatus for displacing a sensor into a tube and automatically returning it Jun. 21, 1983
4351460 Transport system for photo-typesetting machine Sep. 28, 1982
4343420 Retrieval and storage device for flexible elements Aug. 10, 1982
4313781 Method and apparatus for cutting and sealing thermoplastic material Feb. 2, 1982
4285752 Automatic tape lay-up system Aug. 25, 1981
4225073 Multiple speed web drive system Sep. 30, 1980
4216719 Printing machine paper drive Aug. 12, 1980
4214690 Axial locating of horizontally extending tape drive shaft in cassette machine Jul. 29, 1980
4205770 Selective feeding of record media Jun. 3, 1980
4116551 Projector auto rewind mechanism Sep. 26, 1978
4097005 Web transport system Jun. 27, 1978
4095732 Method and apparatus for accurately controlling the position of a film transport device Jun. 20, 1978
4038664 Recording chart lock Jul. 26, 1977
4033681 Forward-reverse multi speed film transport mechanism Jul. 5, 1977
3987884 Printing apparatus with paper positioning tractor means and escapement means Oct. 26, 1976
3978736 Pilgrim step indexing mechanism Sep. 7, 1976
3970386 Bidirectional transport of sprocketed film Jul. 20, 1976
3952932 Transport system for magnetic tape recorder and reproducer sets, particularly for cassette magnetic tape recorders Apr. 27, 1976
3948425 Web handling apparatus Apr. 6, 1976
3946921 Apparatus for feeding packaging strap Mar. 30, 1976











 
 
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