U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 226/185 - Including equal-diameter coaxial rolls


Subclass of Class 226 - Advancing material of indeterminate length
Definition: Device wherein at least one of the instrumentalities comprises
No. of patents: 17
Last issue date: 07/08/2008


NumberTitleIssue Date
7395952Wire feeding apparatus and method
A wire feeding apparatus is disclosed. The wire feeding apparatus includes a rotable drive shaft, a servo motor in driving relationship with the drive shaft and one or more feed modules. Each feed module is selectively engaged with the drive shaft through the use of...
07/08/2008
6969206Tension generating mechanism for a printing apparatus
A printing apparatus includes a conveyance mechanism for conveying a web to a transfer unit, and a tension generating mechanism for applying a tension to the web fed to the conveyance mechanism, wherein the tension generating mechanism includes a tension generating ...
11/29/2005
6959849Drive roller assembly
There are described drive roller assemblies for pulling print media within, or in conjunction with, a printing apparatus. In one embodiment the assembly includes a rigid drive roller having a hard outer surface in conjunction with a pressure roller having a deformab...
11/01/2005
6908020Device for separating strips and uses of such a device
A device for isolating strips conveyed next to another in lengthwise direction is constituted by at least one separating unit which is extended parallel to a lengthwise axis. Each strip is assigned to one guide and it is inserted and guided by the guides in a plane ...
06/21/2005
6450381Device and method for guiding a transversely stable material web
A device and method for guiding a transversely stable material web. The device contains at least one roller and one counter roller disposed on opposite sides of the material web. The roller and counter roller can be swiveled synchronously with each other,...
09/17/2002
6427941Web transporting method and apparatus
In a web transporting apparatus that transports a web while floating the web by jetting air from jetting holes formed in a transporting surface to the web, edge rollers that is rotatable and supports edges of the web are provided at both ends of the trans...
08/06/2002
6419138Device conveying a carrier tape used for electronic components
A device for conveying a carrier tape by holding both sides with pressing rollers and drive rollers that rotate in opposite directions. The drive rollers have large-diameter portions and small-diameter portions so that the large-diameter portions are form...
07/16/2002
5913470Roll feeder
An electric motor driven roll feed system for intermittently advancing stock into the work station of a punch press. The roll feed system is designed so that its main rotating elements have greatly reduced rotational inertia. A low inertia overall roll ar...
06/22/1999
5727724Method and apparatus for transporting a web material
An apparatus for transporting web material, such as a folded paper web in a web-fed rotary printing press, is disclosed which includes a first nip roller having a first set of driven and non-driven wheels which are arranged side by side along a rotational...
03/17/1998
5152522Sheetlike article conveying roller assembly
A sheetlike article conveying roller assembly comprises at least one rotary shaft, a plurality of rollers mounted on the rotary shafts at an optional positions, and a plurality of rings held on the rollers. The rollers on one of a pair of shafts are axial...
10/06/1992
4571958Yarn feeder for circular knitting machine equipped with stripers
A yarn feeder for a circular knitting machine having stripers receiving the yarns from the machine creel, each yarn following a set route through a plurality of fixed eyelets and moving eyelets located on a pivotable arm. The pivoting of the arm causes th...
02/25/1986
4346883Document positioning and feeding apparatus for high speed printers
The present invention relates to document positioning and feeding apparatus for high speed printers, such as normally associated with data processing systems. The document feeding apparatus is particularly adapted to provide high quality, high speed print...
08/31/1982
4165029Paper advance mechanism for an ink jet printer
An advancing mechanism for a recording web, such as paper, for an ink jet printer. The apparatus, including a platen having coaxially mounted discs on a shaft with the center disc of much higher coefficient of friction than the remaining discs, a tensioni...
08/21/1979
4096907Strand withdrawal assembly for continuous casting plants
A strand withdrawal assembly for use in clamping strands being withdrawn from a casting mould of a continuous casting plant is disclosed. At least two strands are withdrawn and are clamped between a lower, driven roll and a pair of upper rolls. The upper ...
06/27/1978
4061260Bag making machine
A machine for cutting and sealing bags from a web of thermoplastic sheet material includes low inertia drive rolls to feed the thermoplastic sheet in closely controlled, incremental lengths. The drive rolls are driven by a fluid motor which is controlled ...
12/06/1977
4036421Weighted pinch rolls
A mechanism for biasing a plurality of pinch rolls into engagement with a drive roll is provided wherein the biasing force is effected by a weight or weights. The pinch rolls are mounted on a common rotatable shaft, which rotates on supports which indepen...
07/19/1977
4004466Drive means
Drive means for moving a flat, thin sheet, belt or tape in a straight path without need for guide devices separate from the drive means to limit horizontal wandering of the driven element....
01/25/1977
 
Sign InRegister
Username  
Password   
forgot password?