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Class Information
Number: 226/40
Name: Advancing material of indeterminate length > With material-responsive control means > To regulate longitudinal movement of material > By variable-ratio transmission
Description: Device wherein the movement of material is regulated by a changeable connection in a drive train between a power source and the material moving means, which connection changes the speed of the material moving means relative to that of the power source.

Sub-classes under this class:

Class Number Class Name Patents
226/41 Coaxially shiftable pulley cones 3

Patents under this class:

Patent Number Title Of Patent Date Issued
8423247 Speed change control system for industrial vehicle Apr. 16, 2013
6293453 Apparatus and method for controlling drag roller Sep. 25, 2001
5996491 Turn bar apparatus Dec. 7, 1999
5791541 Tension controller for controlling tension of running paper web Aug. 11, 1998
5361960 Off-line web finishing system with splice and missing mark stability Nov. 8, 1994
5224640 Off-line web finishing system Jul. 6, 1993
5129568 Off-line web finishing system Jul. 14, 1992
5098507 Relieved plastic floor tile rolling press with an automatic alignment device Mar. 24, 1992
4647169 Motor drive device for camera Mar. 3, 1987
4473009 Apparatus for varying the position of a printing operation performed on a web Sep. 25, 1984
4406389 High speed web processing unit adjustable to variable length documents Sep. 27, 1983
4253597 Loose loop feed control apparatus Mar. 3, 1981
4049168 Tension equalizer Sep. 20, 1977

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