...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.
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 |
| 8109673 | Slide guide apparatus of press machine A slide guide apparatus of a press machine, which guides reciprocating motion of a slide of the press machine by a sliding surface provided between a guide member and the slide, wherein a slide member that is rotatable about a predetermined rotation center axis and ... | 02/07/2012 |
| 7401412 | High precision gantry machine with expansion joint A Cartesian gantry system having an expansion joint between an X-bridge stage and a Y-translation stage comprises a flexure plate having surfaces secured to the X-bridge stage and the Y-translation stage and bolster flanges extending between the X-bridge stage and Y... | 07/22/2008 |
| 7325973 | Systems and methods for reducing slide bearing tolerances A first component includes either linear bearings or linear shafts that are located at a fixed hole-to-hole or center-to-center distance. A second component, having linear shafts or linear bearings, respectively, is capable of adjusting the center-to-center or hole-... | 02/05/2008 |
| 7263587 | Unified memory controller A unified memory controller (UMC) is disclosed. The UMC may be used in a digital television (DTV) receiver. The UMC allows the DTV receiver to use a unified memory. The UMC accepts memory requests from various clients, and determines which requests should receive pr... | 08/28/2007 |
| 7222434 | Driving device and measuring instrument A supporting device (300) for supporting a guide rail (200) for guiding a movable member subjected to relative displacement in relation to the base table (3). The supporting device includes, base bodies (410, 510) engaged onto the base ta... | 05/29/2007 |
| 7217034 | Plain bearing A plain bearing for guiding a rail comprises a bearing housing (4) displaying a single, cylindrical through-opening (5), and a sliding element (6), which is supported in the through-opening (5) and which forms a sliding opening (7)... | 05/15/2007 |
| 7125244 | In-line robot mount A method and apparatus for mounting an in-line robot includes structure and/or steps for mounting a beam having an axis of travel. The in-line robot is preferably mounted on an injection molding machine. At least two mountings are provided, with a first mounting pro... | 10/24/2006 |
| 7080943 | Slide guide device for press The present invention provides a slide guide for a press which comprises a gib structure with a spherical surface. The gibs are formed on a frame of the press. The spherical surface is provided with a holder or a cap to cover the spherical surface. The surface conta... | 07/25/2006 |
| 7063479 | Link mechanism of surgical robot A link mechanism to establish the position of a spherical bearing and the direction of an arm extending from the bearing is provided, which mechanism has a high precision of position and direction determination, does not require strong actuators, and is mechanically... | 06/20/2006 |
| 7013800 | Mechanical press The object of this invention is to provide a mechanical press that presents no inconvenience in press operations despite its low height, providing great stability and excellent durability. The invention comprises a slide guiding mechanism provided at an upper... | 03/21/2006 |
| 6969199 | Floating bearing The invention relates to a movable bearing for a slide (9) guided on two shafts (4), with a linear bearing (3) guided on one of the shafts (4) and a bearing housing(2) that accommodates the linear bearing (3) and is connecte... | 11/29/2005 |
| 6935216 | Belt tensioning device A belt tensioning device for shifting a pulley such that a belt passed around the pulley is tightened to a predetermined tension. The device includes a rod coupled to the pulley, a member coupled to and movable along the rod, and a spring that exerts a reactive forc... | 08/30/2005 |
| 6905645 | Apparatus, systems and methods for use in three-dimensional printing Apparatus, systems and methods for use in three-dimensional printing are shown and described. Various embodiments of the invention allow for more precise and controlled delivery of heat to achieve interlayer drying; isolation of the working region from the outside f... | 06/14/2005 |
| 6764218 | Slide guide device for presses A slide guide device for a press guides a slide in a cycle. The slide guide device eliminates eccentric force misalignment and prevents eccentric contact between the slide and a gib. The slide includes at least a first spherical shoe having at least a first guide su... | 07/20/2004 |
| 6524092 | Slide guide device, knockout device, and press machine using the same A middle liner of a slide guide device for a machine press has a spherical shaped side which fits into a sliding gib attached to a slide. The middle liner slides along a fixed gib at first and second linear surfaces that are at an angle with each other. T... | 02/25/2003 |
| 6485180 | Expandable rack bushing The expandable rack bushing has a tubular portion with front slots and rear slots. An axial overlap between the front and rear slots permits expansion and retraction of the tubular portion. Retainer blocks on the tubular portion are received in a radial g... | 11/26/2002 |
| 6467958 | Free spherical ball bearing Balls are supported between the spherical inner race (5) and the outer race (6) which surrounds one potion of the inner race (6)through the resiliently transformable shell-like retainer (7). By making the inner race (5) and outer race (7), which influence... | 10/22/2002 |
| 6447166 | Linear bushing A linear bushing attachable to a structural member is formed of a tubular body having a tail part and a lead part forward of said tail part, the tubular body defining a cylindrical wall about a central longitudinal axis and having inner and outer surfaces... | 09/10/2002 |
| 6290482 | Flexible shoe assembly The technical field of the invention broadly relates to molding systems, and more particularly to a flexible shoe assembly for use in a molding system. The clamp unit of a molding system includes a moving platen and a stationary platen supported by a fram... | 09/18/2001 |
| 6290395 | Linear slide assembly A linear slide assembly which includes a pair of parallel stationary ways and a carriage. A pair of parallel traveling ways are mounted to the carriage. One traveling way is mounted to the carriage by a fixed mounting and the other is mounted to the carri... | 09/18/2001 |
| 6027390 | Frit-sealing apparatus for cathode-ray tube A frit-sealing apparatus for a cathode-ray tube has a nozzle portion being inserted into and withdrawn later from the cathode-ray tube supported in a certain position; a guide block for supporting the nozzle portion; a guide rod for supporting the guide b... | 02/22/2000 |
| 6019514 | Linear guide system having a flexure The invention is a linear guide system having a flexure that absorbs internal stresses in the system while still maintaining sufficient rigidity required for a precise linear guide system. These internal stresses may be caused by thermal expansion of comp... | 02/01/2000 |
| 6012847 | Guide arrangement for hydraulic cylinders Guide-ring arrangement on a cylindrical guide part for the relative guiding of an elongate guided part having a guide ring where the rear surface projects in a convex manner.... | 01/11/2000 |
| 5868500 | Slide bearing A slide bearing including an assembly of slide pads compressively mounted within a housing. The bearing allows a pipe to be held such that it may slide through the bearing whilst still accommodating lateral and pitch variations.... | 02/09/1999 |
| 5685510 | Height adjustment system for a desk or workstation A height adjustment system for a desk, workstation or the like is provided comprising a plurality of height adjustable legs each having a first part in the form of a hollow column and a second part movable relative to the first part in a vertical directio... | 11/11/1997 |
| 5666861 | Armrest adjusting mechanism An armrest adjusting mechanism is disclosed which includes a base plate mountable to an article of construction machinery and a first working plate movable relative to the base plate. First and second shafts are mounted to the first working plate. The fir... | 09/16/1997 |
| 5658078 | Gantry robot connector and protection apparatus A gantry robot protection apparatus for protecting the bearings of a gantry robot from contamination.... | 08/19/1997 |
| 5590966 | Self-aligning shaft support This invention relates to a support assembly which is to be used in association with a sealing arrangement to support a member which is movable with respect to a base element.... | 01/07/1997 |
| 5388913 | Linear bearing compensation system An alignment compensation system for use with parallel linear bearings which isolates the linear motion system load or carriage plate from alignment errors in the system. Spherical bearings are mounted in bearing blocks, each spherical bearing having a su... | 02/14/1995 |
| 5329825 | Precision moving stage A precision positioning stage assembly, comprising a movable stage, a drive screw having it axis parallel to the direction of movement of the stage, a follower threadably engaged with the drive screw, and a linear guide rail for supporting one side of the... | 07/19/1994 |
| 5273366 | Roller linear movement guiding device A roller type linear movement guiding device comprises: a plurality of roller type linear movement guiding bearings each having a number of rollers which circulate infinitely while rolling on a flat track surface; a holding board holding the bearings on t... | 12/28/1993 |
| 5131761 | Linear guiding apparatus In a co-ordinate measuring machine, a linear guideway comprises two tubular guides 14, 16 mounted on a column 10 in a parallel spaced apart relation and extending in a direction parallel to the longitudinal axis of the column 10. The guides 14, 16 are mou... | 07/21/1992 |
| 5112140 | Seal assembly for reciprocating members A seal assembly for use in establishing a seal between the pump rod of a down the hole pump and the upper end of a bore casing. The seal assembly having a stuffing box supported by a body through which the pump rod extends. The stuffing box being mounted ... | 05/12/1992 |
| 5098071 | Die spring apparatus A compressed gas and a liquid are contained in a cylinder. A liquid chamber containing the liquid and a gas chamber containing the gas are divided by a metallic bellows. The liquid chamber is situated on the side of an open end of the cylinder. A rod is i... | 03/24/1992 |
| 5064318 | Precision guidance apparatus A guided member is engaged with a guiding member and the guided member and guiding members are movable relative to each other. A pair of planar, parallel guide surfaces on the guide member are engaged by a pair of bearings mounted on the guided member. On... | 11/12/1991 |
| 5033869 | Linear slider with floating bushing A linear slider may be formed essentially from a block and two parallel shafts mounted through the block. The first shaft runs on coaxial bushings, while the second shaft runs in a single floating bushing. The floating bushing slides perpendicular to the ... | 07/23/1991 |
| 5013163 | Linear unit for manipulation devices and the like A linear unit for manipulation devices and comprising a housing part having a passage therethrough for receiving a spindle sleeve and a cylindrical bore longitudinally intersecting the passage and for receiving the two bearing elements that support the sp... | 05/07/1991 |
| 4995734 | Pillow block housing for a shaft-supporting bearing A shaft is supported to slide in a linear bearing which, in turn, is supported within a bore in a pillow block housing. To enable the bearing to self-align with a bearing in a paired pillow block housing, the bore of the housing is longitudinally crowned ... | 02/26/1991 |
| 4877338 | Guide arrangement in a linear power unit A guide arrangement in linear power units having a housing (1) and a slide (2) linearly movable relative to the housing, and is designed to relieve the slide of transverse forces, lateral forces etc., in order to reduce wear and eliminate jamming. Accordi... | 10/31/1989 |
| 4798478 | Self-aligning fluid bearing A self-aligning fluid bearing for supporting a moving part, and allowing that part to move along at least one flat support surface substantially without friction, includes a body with at least one planar face having at least one spheroidal concave depress... | 01/17/1989 |