Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7279049 | Apparatus for reducing entrapment of foreign matter along a moveable shaft of a substrate support In one embodiment, the invention is a guard ring for reducing particle entrapment along a moveable shaft of a substrate support. In one embodiment, the guard ring comprises a substantially annular guard ring positioned within a step formed in a sleeve that circumscr... | 10/09/2007 |
| 7278840 | Compliant viscous seal for fluid transfer device A viscous seal for fluid transfer devices that deviates from the conventional wisdom of avoiding contact between the seal and a rotating drive shaft of the fluid transfer device. Instead of avoiding contact, contact between the seal and drive shaft is used to effect... | 10/09/2007 |
| 7257862 | Decelerating device for insertion between two relatively rotating members, in particular a drum and an oscillating door for loading the drum in a top-loaded washing machine A decelerating device includes a bushing and a pin carried coaxially by the bushing. A first end of the pin is housed inside the bushing and a second end of the pin, opposite to the first end, projects axially in cantilever fashion from the bushing. Inside the bushi... | 08/21/2007 |
| 7237957 | Journal bearing having self-retaining shoes and method of using the same to support a rotating shaft A journal bearing, and a method of using the same, that utilizes self-retaining bearing shoes that prohibit relative movement between an aligning ring and the bearing shoes in the axial direction. In one aspect, the invention comprises an aligning ring; at least one... | 07/03/2007 |
| 7063465 | Thrust bearing A thrust bearing 11 for use with a shaft 13 having a collar 15 mounted the shaft 13 and rotatable therewith has a base ring 17, a series of shoes 19 positioned on the base ring 17, and a compressible resilient spacing... | 06/20/2006 |
| 7004636 | Machine housing The concept of the invention is based on a machine housing with a bearing housing, the bearing seat of which is connected to a housing wall of the machine housing by a bearing housing wall provided with ribs (42, 43) and is subjected to radially directed forc... | 02/28/2006 |
| 6916023 | Self-adjusting cartridge seal A seal includes a first seal retainer, a seal holder and a second seal retainer. A somewhat cup-shaped recess of the first seal retainer opens in a first direction of motion of a movable member against which the seal is to seal. The seal holder includes a first some... | 07/12/2005 |
| 6558630 | Dosing unit and a method of continuous introduction of liquid solution samples into a system A device and method of continuous introduction of liquid solution samples into a system from a chamber containing the solution.... | 05/06/2003 |
| 6132096 | Bearing bush and method for the production thereof A bearing bush (1) having a groove (7) which has a curved contour and is located inside an annular bead (2) projecting outwards with respect to the bush body (6). A sealing member in the form of an o-ring (4) may be inserted into the groove (7). The bead ... | 10/17/2000 |
| 5964325 | S-cam brake bushing cartridge An improved bushing assembly for the inboard end of a brake cam shaft is provided with a bushing which establishes a grease flow pathway within the bushing assembly. Grease enters a cavity formed from a pair of housing halves which contain the bushing thr... | 10/12/1999 |
| 5938343 | Oil filling seal for hydrodynamic motor utilizing a movable sealing element A rotating shaft motor or cartridge incorporates an o-ring which surrounds the rotating shaft and is borne on a carrier. As supported on the carrier, the o-ring does not normally block the bearing passages which would prevent the smooth distribution of oi... | 08/17/1999 |
| 5860746 | Sealed roll bearing A sealed roll bearing of a roll which has neck sleeves of high strength, preferably shrunk onto the roll necks of the roll, wherein the flanges of a profiled sealing ring sealingly engage over the end portions of the neck sleeve facing the end faces of th... | 01/19/1999 |
| 5547288 | Camshaft bushing assembly An external metal housing (10) is formed of two abutting metal plates (11, 12), each having a perimeter support wall (13) and an outwardly extending annular protruding wall (14) defining a bushing receiving area. An internal annular bushing (22) is accomm... | 08/20/1996 |
| 5490021 | Support device with a uniformly sealing locking-piece, and data storage unit provided with such a support device A support device (1) with a first bearing part (33) and a second bearing part (51). The first bearing part (33) is in a housing (11), while the second bearing part (51) is provided on a locking piece (53) fastened to the housing (11). Leakage along the lo... | 02/06/1996 |
| 5460454 | Bearing arrangement for a rotating shaft in a windscreen wiper driving mechanism The invention comprises a bearing arrangement for a rotating shaft in a windshield wiper driving mechanism, of the kind comprising a housing having a bore through which the shaft passes and including a bearing sleeve which comprises at least an inner radi... | 10/24/1995 |
| 5312116 | Self-adjusting O-ring seal product to retain internal bearing lubricants and pneumatic pressures The present invention provides an O-Ring mounted in a square shaped chamber in a housing. The O-Ring contains a groove adapted to move the O-Ring inner bore toward the center of the shaft in response to a pressurized fluid. The chamber is fed by a liquid ... | 05/17/1994 |
| 5281034 | Shaft fitted rotatably in the casing of a pressure chamber The support of a shaft (7) which is rotatably supported in through-holes of the housing (1) of a pressure chamber in bushes (11, 12) provided with sealing rings and which is secured against axial displacement by securing rings (21, 22) is to be improved i... | 01/25/1994 |
| 4869601 | Bearings and seals Hydrostatic journal bearing assemblies are described which include a housing member having a generally circular bore therethrough, a journal bearing member having a bore therethrough for the support of a shaft, the journal bearing member being located wit... | 09/26/1989 |
| 4863290 | Combined shift rod bushing and gear case seal for marine propulsion device A marine propulsion lower unit including a gear case supporting a propeller shaft adapted to carry a propeller, which gear case has an upper surface including therein a cylindrical well defined by cylindrical peripheral wall and a bottom wall having there... | 09/05/1989 |
| 4768889 | Sealed bearing assemblies A seal assembly for sealing between a pair of bearing rings wherein one of the rings has an annular groove for the seal comprising elastic annular ring member having at least one circumferential projection and at least one sealing disk and a retainer memb... | 09/06/1988 |
| 4764035 | Molded self-lubricating split-ring bearing assembly A bearing assembly comprised of a split-ring annular bearing member having overlapping free ends and being molded of self-lubricating plastic material having a pressure velocity value at least equal to 1800 at 100 feet per minute surface speed and an annu... | 08/16/1988 |
| 4718779 | Sealed compound bearing A compound bearing consisting of an outer and an inner member movable relative to each other and between which are disposed load carrying annular members. The load carrying annular members comprise a pair of deformable plastic rings held between the outer... | 01/12/1988 |
| 4671430 | Powdered material apportioning apparatus An apparatus for apportioning powdered material into each of a series of containers is disclosed which includes a powdered material hopper having a dispensing opening and a rotatable filling head contiguous to the dispensing opening. The rotatable filling... | 06/09/1987 |
| 4659240 | Bearing protector A bearing protector attached to a shaft abuts against the inner race of a bearing mounted to a housing. The body of the protector extends over substantially all of the outer race. The protector does not contact the outer race due to a running clearance. S... | 04/21/1987 |
| 4619534 | Roller cutter drill bit having a texturized seal member A rotary drill bit comprising a bit body having at least one depending leg at its lower end having a generally cylindrical bearing journal, a roller cutter of generally conical shape having a recess therein receiving the journal a bearing system for rotat... | 10/28/1986 |
| 4588310 | Bearing arrangement to be submerged in water or a slurry A bearing assembly comprises an outer bearing housing and at least one inner bearing element, which serves for rotatably mounting a component. The bearing assembly is intended to be submerged in water or in a slurry and defines outwardly open gaps, which ... | 05/13/1986 |
| 4568204 | Journal bearing A shoe journal bearing having a series of shoes with a leading edge distribution groove, and bleed grooves so as to prevent oil starvation of any area of the shoe, and an oil feed tube connected between the outer end of the oil distribution groove and an ... | 02/04/1986 |
| 4501505 | Thrust bearing A thrust bearing for use with a shaft having a collar mounted thereon, comprising a base ring, a thrust bearing shoe having a leading edge connected to a trailing edge by an inner diameter edge and an outer diameter edge and having a working face with a b... | 02/26/1985 |
| 4488825 | Motor bearing and seal assembly A bearing and seal assembly for use in an electric motor rotor or stator bore about a central shaft. The bearing and seal assembly comprises a drawn aluminum sleeve disposed in and secured to the wall of the bore and having opposite end portions projectin... | 12/18/1984 |
| 4466629 | Bicycle headset including a stem seal An improved bicycle headset is disclosed having ball bearing races sealed by O-rings against contamination by dust, dirt, moisture and the like. This bicycle headset includes a lower assembly comprising a lower cup fitted to the lower end of a head tube, ... | 08/21/1984 |
| 4460285 | Flanged bearing mount A bearing mounting member having a first portion adapted to engage and hold a bearing housing, and a second portion in the form of a flange for engaging and being secured to a cooperating support surface, and including an annular groove formed in such sec... | 07/17/1984 |
| 4391474 | Thrust shaft seal with slidably mounted bearing sleeve A seal for a thrust shaft in a body wherein the body has a bore and a counterbore, the bottom of the counterbore providing a shoulder for the thrust force of the shaft. The seal includes a bearing sleeve which is slidably mounted on the shaft, the bearing... | 07/05/1983 |
| 4130324 | Seal means for a self-aligning bearing The invention contemplates elastomeric-seal application to the so-called plain-spherical variety of self-aligning bearing wherein the outer ring is the product of a swaging operation which causes it to conform its cylindrical bore to a spherical surface a... | 12/19/1978 |
| 4039232 | Shaft and bushing assembly The invention relates to a bushing system, particularly adapted for the use in dusty environments, and suitable for journalling pins, shafts and the like, so as to permit them to be rotated but not to be axially displaced, comprising a supporting hollow b... | 08/02/1977 |