Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7374075 | Method and apparatus for feeding slider-zipper tape to application station A method and an apparatus for automatically feeding slider-zipper assemblies to a station where the slider-zipper assemblies can be attached to bag material, such as thermoplastic film. The apparatus includes a slider guide having a channel running the length thereo... | 05/20/2008 |
| 7171884 | Resilient cutting blades and cutting devices Steel reinforced tire fabrics are cut with long rigid bar blades, circular disc blades and disc and anvil blades. All of these blades may have an open relatively deep slot spaced close to the cutting edge that creates a resilient cantilevered spring element that inc... | 02/06/2007 |
| 7147596 | Low-mass roller or pulley A low-mass roller is disclosed comprising a cylindrical body formed of polymeric material and having an exterior surface, first and second open ends and defining an interior tubular space along a longitudinal axis therethrough for receiving an axle; and an outer she... | 12/12/2006 |
| 6589145 | Roll and calender Roll that includes a roll axle, a roll jacket, and a bearing ring positioned to rotatably support the roll jacket, and calender that includes the roll. The bearing ring is non-rotatable but is radially movable relative to the roll axle. A locking device i... | 07/08/2003 |
| 6283353 | Press roll device A press roll device for applying pressure on a piece of wood moving along a path. The device has a frame mounted in proximity to the path of the piece of wood and a lower and an upper arm both pivotally connected to the frame. A roller is rotationally mou... | 09/04/2001 |
| 6224010 | Apparatus and method for dispensing paper toweling from a roll of paper toweling Dispenser apparatus for dispensing paper toweling from a roll of paper toweling includes a paper toweling feed roller and a guide partially surrounding the feed roller having a curved guide surface spaced from the paper toweling feed roller. The feed roll... | 05/01/2001 |
| 5971638 | Printer sheet feed mechanism including feed roller having plurality of projections In a printer sheet feed mechanism for feeding a sheet such as a paper sheet, an OHP sheet and the like with a pinpoint accuracy, maintaining a sheet feed accuracy to a high level for a long time and improving recording quality, a sheet feed roller is comp... | 10/26/1999 |
| 5947161 | Pinch roll weft feeder with expandable transport roll A transport roller (10) is provided on a ribbon loom and a press roller (12) is forced against said transport roller to grip a bobbin supply thread (26). In order to simplify adjustment of the transport speed while keeping the speed of the transport rolle... | 09/07/1999 |
| 5823258 | Centralizer apparatus A centralizer apparatus (1) for centralizing a rod (100). The centralizer apparatus (1) has a guide roller (2) which contacts the rod (100) and a pressure adjustment member (5) to enable the contact pressure of the guide roller (1) against the rod (100) t... | 10/20/1998 |
| 5803335 | Pinch roller assembly having a rubber cushion for making a contact surface thereof pivotable A pinch roller assembly used in a video cassette recorder, employs a plastic journal bearing or a metallic sliding bearing in order to pivotally carry a sleeve about a supporting shaft, the bearings retained around a lower portion of a small diameter sect... | 09/08/1998 |
| 5755370 | Press feed with infinitely variable stock material engagement spacing A press feed capable of being driven in synchronization with a press. The press feed includes a sensor for sensing a selected phase of a press cycle of the press, structure for engaging stock material adapted to be fed by the press feed to the press, and ... | 05/26/1998 |
| 5727753 | Web tension equalizer roll An equalizer roll to be used in manufacturing for providing equal tension across a web during winding operations such as used in polymer film applications, corrugators, paper machines, printing presses, cloth winders, and metal winding operations. A commo... | 03/17/1998 |
| 5702045 | Roll for the pressure treatment of cloth webs A roll for the pressure treatment of cloth webs comprising: a stationary beam, a shell mounted for rotation relatively to the beam, support elements for equalizing roll shell deflection, and a biasing system so acting on the support elements that the same... | 12/30/1997 |
| 5667125 | Device for transporting printing media in printers or copiers A device for transporting printing media (12) in printers or copiers has transporting elements (36), arranged rotatably in a printing medium transport channel at a distance from the printing medium (12), as a feeding aid for an automatic paper feeding dev... | 09/16/1997 |
| 5522785 | Infinitely variable diameter roller A roller assembly for guiding webs and removing wrinkles includes an outer cylindrical surface that is supported on a shaft about which it can rotate. Portions of the outer diameter of the outer cylindrical surface can expand and contract radially using a... | 06/04/1996 |
| 5506738 | Tape cassette with tape guide support structure A tape cassette includes a pair of pinch rollers 118, 119 for guiding a magnetic tape T movably provided in a cassette opening 75 of shell body 71. Both ends of a roller shaft 124, 125 rotatably supporting each pinch roller 118, 119 are supported, and the... | 04/09/1996 |
| 5451198 | Roller with replaceable sleeve A roller with a replaceable sleeve used primarily in the can industry to apply a surface coating to the cans and also used in industries that utilize rollers for graphics, conveying, laminating or spreading a coating on another surface. The roller include... | 09/19/1995 |
| 5310106 | Apparatus for obtaining differential tangential variable speeds at different points of a deformable film This device is designed such that the differential tangential speeds V are variable at different points of a deformable flat film (1) or plate that moves along at least one drawing roller (3) rotating about an axis XX, said film (1) or plate moving in a d... | 05/10/1994 |
| 5295733 | Fiber optic remote control system for a continuous miner and method of use A mining machine is controlled by a fiber optic controlled remote control system that includes one or more fiber optic cables that extend from a remote control station through a hose supplying water to the mining machine. The fiber optic cables exit the w... | 03/22/1994 |
| 5199701 | Carrier apparatus using ultrasonic actuator This carrier apparatus employs an ultrasonic actuator comprising a piezoelectric actuator made of a piezoelectric element which extends and contracts in the radial direction of a cylindrical vibrator in the inner space of the cylindrical vibrator as a pow... | 04/06/1993 |
| 5193800 | Apparatus for conveying paper in a printer An apparatus for conveying paper in a printer adapted to convey cut-sheet and fan-fold paper bi-directionally in a paper path. The apparatus includes a pair of paper conveying rollers positioned downstream of a print head and a pair of paper conveying rol... | 03/16/1993 |
| 5133187 | Fluid circuit for maintaining constant pressure between two abutting solid objects A fluid circuit assembly for maintaining substantially constant pressure between two abutting solid objects, the circuit assembly comprising a master cylinder assembly, a plurality of working cylinder assemblies, piston rods extending from the working cyl... | 07/28/1992 |
| 5098082 | Sprung-wheel A sprung wheel 46 for a document drive system comprises an upper elastic member 54, a lower elastic member 52, a separating hub 50 and a rim member 56. Each elastic member 42,54 comprises resilient arms 58 which bear upon the rim member 56 on the inside. ... | 03/24/1992 |
| 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 |
| 5050500 | Sheet transfer web A sheet transfer drum for a rotary printing machine utilizes a plurality of sheet carrying segments which are axially adjustably positioned along a rotatable shaft. Each sheet carrying segment uses an upper bow and a lower bow with each bow, in turn, carr... | 09/24/1991 |
| 5026005 | Method and apparatus for reel-up of a paper web A method and apparatus for reel-up of a paper web, wherein a roll is formed around a reeling drum or in another embodiment of the invention on the support of carrier rolls or carrier belts, and wherein a reeling cylinder is used to form a reeling nip for ... | 06/25/1991 |
| 5026045 | Sheet-guiding drum assembly for sheet-fed rotary printing machines Sheet-guiding drum assembly for sheet-fed rotary printing machines includes a drum formed with a casing surface and provided with a casing foil disposed so as to have a given outer diameter, a member arranged beneath the casing foil and on the casing surf... | 06/25/1991 |
| 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 |
| 5000364 | Apparatus for obtaining differential tangential variable speeds at different points of a deformable film The invention relates to a drawing device. This device is designed such that the differential tangential speeds V are variable at different points of a deformable flat film (1) or plate that moves along at least one drawing roller (3) rotating about an ax... | 03/19/1991 |
| 4981545 | Automatic tape affixing apparatus An automatic tape affixing apparatus for affixing a composite tape to an adhesion form includes a tape affixing head movable in X-axis, Y-axis, Z-axis, A-axis and C-axis directions, the tape affixing head carrying a tape supply reel, a tape take-up reel, ... | 01/01/1991 |
| 4917283 | Strip feed roller A strip feed roller for feeding paper or paper-like material or the like. The roller is created for use as a part of apparatus, such as a folder machine, or the like. The strip feed roller has a cylindrical surface portion of substantially uniform diamete... | 04/17/1990 |
| 4889271 | Feed roller A feed roller having a hard roller body and a cylindrical resilient cover member fitted onto the hard roller body. The feed roller has internal contact portions formed on an inner surface of the cover member, the internal contact portions being kept in co... | 12/26/1989 |
| 4875611 | Roll media feed roll system A copy media feed system includes two pair of feed rolls which are horizontally aligned to form nip areas to engage the media. Each feed roll pair comprises one drive roll and one idler roll. For one pair, the drive roll is an elastomer-covered, high fric... | 10/24/1989 |
| 4792076 | Web transporting apparatus A web transporting apparatus wherein the web is trained over the external surface of a radially expandible elastic shell which is connected with two end walls to form a roll and to define an internal compartment which is filled with a pressurized hydrauli... | 12/20/1988 |
| 4683480 | X-Y plotter drive roller arrangement An X-Y plotter disclosed is of the type which moves a recording paper with no perforation by drive rollers and pinch rollers. A plurality of sharp projections are arranged on the outer surface of each of the drive rollers such as to enable an exact feedin... | 07/28/1987 |
| 4648563 | Leaf-spring roller guide One-piece plastic roller guide having a tubular body and two sets of three leaf springs projecting symmetrically from the root of the tubular body in opposite axial directions. At the free end of each set of leaf springs, the inner diameter of the roller ... | 03/10/1987 |
| 4638936 | Apparatus for treatment of webs of photographic material A web of photographic paper is trained over several rollers so that it can be advanced along a meandering path through successive chambers in a developing machine. At least one of the rollers is mounted on a driven shaft with the interposition of a coupli... | 01/27/1987 |
| 4541557 | Magnetic tape guide roller system To guide magnetic tape, particularly tape used in video tape recording, and especially for digital video signals for self-centering of the tape with respect to a datum (41) of a roller system, two coaxially journalled frusto-conical rollers are provided, ... | 09/17/1985 |
| 4527174 | Sheet pressing mechanism in a pen type recording device A sheet pressing mechanism in a pen type recording device including a rotatable platen and a pen adapted to move in the axial direction of the platen while contacting the platen, in which pressure rollers are brought into contact with outer peripheral sur... | 07/02/1985 |
| 4491891 | Tape guide for a magnetic tape cartridge and method of manufacturing the same A tape guide for a magnetic tape cartridge and a method of manufacturing same is disclosed. The guide is of synthetic resin and provided with many minute protrusions on its tape-guiding surface to greatly reduce the area of contact between the tape guide ... | 01/01/1985 |
