Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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.
| Number | Title | Issue Date |
| 7322760 | Antijamming device for printers put in public places An antijamming device for a printed ticket vending machine having an exit opening for exiting of a printed ticket and a control for controlling feeding of unprinted tickets to a printing mechanism for printing tickets, having a pathway through which printed tickets ... | 01/29/2008 |
| 6903305 | Welding wire feeder A push-pull welding wire feeder includes plural wire feeding units provided in a wire feeding passage extending from a welding wire magazine, in which a roll of welding wire is accommodated, via a wire guide tube to a welding torch. At least one of the wire feeding ... | 06/07/2005 |
| 5996491 | Turn bar apparatus A turn bar apparatus is incorporated in a rotary press for reversing a web position during running thereof. The turn bar apparatus includes an upstream side turn bar, and a downstream side turn bar disposed along a web running direction. Pull rollers are ... | 12/07/1999 |
| 5845834 | VCR having a capstan brake device A VCR having a capstan brake device has a flywheel having a friction plane on the lower portion thereof. The flywheel is installed to one end of a capstan shaft piercing through a chassis, and a brake member is installed to one side of the flywheel for sw... | 12/08/1998 |
| 5730349 | Tape guide mechanism having vibration mechanism A tape guide mechanism includes a shaft having one end fixed to a base, a guide part provided in a predetermined position on the shaft to guide a tape, and a vibrating element capable of vibrating the shaft either in a first vibration mode or in a second ... | 03/24/1998 |
| 5680979 | Drawing roller drive A drawing roller drive for the conveyance of a web in a rotary printing press utilizes a differential gear to accomplish a very exact change in the speed of the drawing roller. A single drive shaft and a single power take-off shaft are aligned coaxially w... | 10/28/1997 |
| 5593078 | Motion picture film advancement apparatus with vibration reduction A rotary film advancement apparatus for use in a motion picture camera or projector which uses film having pairs of evenly spaced perforations located near the edges of the film having a steering channel which defines a closed loop path having a pre-selec... | 01/14/1997 |
| 5448345 | Sheet original conveying apparatus and image forming apparatus with it A sheet original conveying apparatus conveys a sheet original to a reading position where an image on the sheet original is read. The apparatus have a conveying device for intermittently conveying the sheet original so that images on the sheet original ma... | 09/05/1995 |
| 5331833 | Method of operating an upsetting press A method of operating an upsetting press for reducing the width of a hot slab cast in a continuous casting plant by laterally pressing the slab between the pressing tools of the upsetting press which are moved toward each other and away from each other by... | 07/26/1994 |
| 5230454 | Automatic document feeder capable of handling computer form document An automatic document feeder (ADF) for use with with a copier, laser printer or similar image recorder and capable of handling a computer form (CF) document in addition to ordinary documents in the form of sheets. The ADF is selectively operable in either... | 07/27/1993 |
| 5199351 | Angle-bar device for use in rotary printing press The present invention provides an angle-bar device for use in a rotary press, which aims at removing ink and paper debris, etc deposited on the whole peripheral surfaces of the angle-bars by rotating the angle-bars continuously so as to increase the tensi... | 04/06/1993 |
| 5158781 | Traction apparatus for tubular material Apparatus for handling large diameter horizontally extruded plastic tubing includes a number of driven endless belts positioned around the path of travel of the extrusion to transport the extrusion while it cools. The belts are individually driven either ... | 10/27/1992 |
| 5071504 | Double sided laminating machine A laminating system includes a pair of heated laminating rollers (14) for drawing laminating film (12) from supply rolls and preheat members (30) between the supply rolls and the laminating rollers. The preheat rollers are heated internally by a bonded el... | 12/10/1991 |
| 5019203 | Double sided laminating machine A laminating system includes a pair of heated laminating rollers (14, 110) for drawing laminating film (12, 114) from supply rolls and preheat members (30, 118) between the supply rolls and the laminating rollers. The preheat rollers are heated internally... | 05/28/1991 |
| 4925079 | Apparatus for correctly feeding continuous strips with a shaped side outline to blanking machines Apparatus for accurately feeding a continuous web having opposite generally sinuous longitudinal edges each defined by alternating convex and concave edge portions by utilizing a drive and idle roll for intermittently feeding the web in a predetermined di... | 05/15/1990 |
| 4753379 | Method and apparatus for regulating the length of workpieces An apparatus for regulating the length of divisional spacings of a metal band comprises at least two workpiece conveying roller pairs spaced from one another in the direction of the workpiece length and arranged for holding and advancing the workpieces in... | 06/28/1988 |
| 4591932 | Auto-reverse mechanism for tape recorders Herein disclosed is an auto-reverse mechanism for a tape recorder, in which a switching plate is slid by the rotations of a reverse gear adapted to intermittently rotate following the rotations of a motor so that it switches pinch rollers thereby to chang... | 05/27/1986 |
| 4508251 | Cable pulling/feeding apparatus A cable pulling/feeding apparatus comprises a fixed base, a cable pulling/feeding unit having a drive/brake unit for pulling or feeding a cable, a sensor supported on the fixed base so as to be movable in both directions in which the cable is pulled and f... | 04/02/1985 |
| 4398657 | Feeding device, in particular for the cycled feeding of rod or tape like material in presses, cutters, or the like Feeding device for the cycled feeding of rod or tape-like material into a press, cutter or the like, which includes a metering wheel which rolls off directly or indirectly on the material being fed, serving as a true value indicator. The metering wheel is... | 08/16/1983 |
| 4240856 | Continuous running corrugator A paperboard web is severed transversely between the double facer machine and the slitter-scorer after the completion of a production order. The speed of the double facer machine is maintained constant while the severed web section is accelerated to a spe... | 12/23/1980 |
| 4221317 | Apparatus for controlling the feed of yarn A method and apparatus for feeding yarn during a single stitch of a needle such that the mean rotational frequency of a yarn feeding drum connected to a first and second driving member is changed during the single stitch of the needle so as to regulate an... | 09/09/1980 |
| 4206862 | Welding filler wire feed apparatus Welding filler wire feed apparatus includes a handpiece, means for advancing filler wire through the handpiece in response to a signal produced by a finger pressure-sensitive switch on the handpiece, and a flexible conduit, connecting the handpiece to fil... | 06/10/1980 |
| 4167764 | Mode changing apparatus in a tape recorder In a tape recorder of the type having a first or drive gear rotatable with the capstan by a motor, a second or driven gear rotated by the drive gear when in meshing engagement therewith and having a toothless portion to permit rotation of the drive gear i... | 09/11/1979 |
| 4158429 | Apparatus for feeding elongate sheet materials There is disclosed an apparatus for feeding an elongate sheet material comprising a drive roller driven to rotate at a constant speed, a pressure roller rotatable in rolling contact with the drive roller, the drive roller being formed of a more resilient ... | 06/19/1979 |
| 4107508 | Method and apparatus for welding using fillet-wire A method of and apparatus for automatic or semi-automatic welding or brazing wherein a fillet-wire, mechanically fed to the welding position on a work piece, is heated, along with the work piece, by a flame so that the fillet-wire reaches its melting poin... | 08/15/1978 |
| 4107744 | Variable ratio magnetic tape drive using a variable belt thickness A variable ratio drive employs an elastic extensible control belt which changes its cross-section in relation to induced changes in its length, according to Poisson's ratio. The control belt is introduced between a pulley and a drive belt, and a mechanism... | 08/15/1978 |
| 4078416 | Method and apparatus for feeding strip stock into a machine A method and apparatus for feeding strip stock into a machine, such as a press, in which opposed feed rolls are closed on the strip stock for frictionally engaging the strip stock and one thereof is accelerated from a stopped position and is then decelera... | 03/14/1978 |
| 4075900 | Two-speed video recorder The specification discloses a video recorder having two recording speeds. The recorder includes a capstan for moving video tape past a recording head. A drive pulley is rotated at a predetermined drive speed. The pulley is movable between retracted and ex... | 02/28/1978 |
| 4060186 | Metal strip handling apparatus and method A strip handling apparatus and method which prevent slipping and weaving of strip in strip tensioning units and achieve close control of tension on strip entering a drag strip tensioning unit and leaving a drive strip tensioning unit.... | 11/29/1977 |
| 4049169 | Crescent silencing reset mechanism for fast forward 8-track cartridge A fast forward drive for a cartridge tape player comprises upper and lower crescents which increase the effective capstan diameter in the fast forward mode. At normal playing speed the crescents index with respect to a received tape cartridge such that th... | 09/20/1977 |
| 4014489 | Variable yarn feed device A device for feeding strands such as for further textile processing wherein driving means comprising a pair of nip rolls are continuously and drivingly engaged with the strand extending therebetween, said nip rolls being movably supported between spaced s... | 03/29/1977 |
| 4008839 | Tape feeding apparatus A tape feeding apparatus having a rotary member for feeding a tape which is drivingly connected with rotary driving means through at least two link mechanisms to be rotated at different speeds and with a phase difference so that one of the link mechanisms... | 02/22/1977 |
| 4006853 | Crescent reset system for fast forward 8-track cartridge player A fast forward drive for a cartridge tape player comprises upper and lower crescents which increase the effective capstan diameter in the fast forward mode. At normal playing speed the crescents index with respect to a received tape cartridge such that th... | 02/08/1977 |
| 4004438 | Thread feed device for a hosiery knitting machine A thread feed device for a hosiery knitting machine comprises a tensioning mechanism for the thread, a cylindrical drum for positively driving the thread, a shaft coaxial with the drum and having an axial groove therein cooperating with radially inwardly ... | 01/25/1977 |
| 3994426 | Drive mechanism for computer form feeder apparatus A mechanism for driving a computer form web along a predetermined path includes a ratchet wheel having two sets of oppositely facing teeth, mounted on a support shaft for rotation. The wheel is driven in both clockwise and counter-clockwise directions. A ... | 11/30/1976 |
| 3952932 | Transport system for magnetic tape recorder and reproducer sets, particularly for cassette magnetic tape recorders A tape transport system for use in a magnetic tape recorder and reproducer set is described wherein a magnetic tape is simultaneously driven by means of two capstans, and which further comprises two motors, one of which is associated with one of the capst... | 04/27/1976 |
| 3949864 | Fabric printing machine A fabric printing machine having a conveyor belt for supporting a fabric to be printed. A drive unit is connected to the belt, and a control mechanism coacts with the belt and the drive unit for permitting intermittent unidirectional advancing movement of... | 04/13/1976 |
| 3938437 | Variable speed unwind controller drum The unwind controller drum for metering web material into a web processing machine is positively driven by a positive, fixed-ratio drive train. Several drive ratios are selectively available, each differing only slightly from another to provide minute cha... | 02/17/1976 |
| 3938195 | 8-Track - fast forward mechanism A fast foward mechanism, for use in a magnetic tape player having a housing with an opening adapted to receive an exchangeable tape cartridge, includes a bracket mounted to the play capstan housing for providing support for a fast forward capstan. The bra... | 02/10/1976 |
| 3934774 | Dual speed tape drive system for an endless loop dictating and transcribing system A dual speed tape drive system for a dictating and transcribing system is provided with means for recording and transcribing and including a single-bin, random-wind tape storage magazine to store an endless loop of magnetic tape in random folds. The tape ... | 01/27/1976 |
