Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7428954 | Damper for drum type washing machine Disclosed herein is a damper for use in a drum type washing machine, which can support a tub of the washing machine and absorb vibration of the tub. The damper comprises a cylinder, a piston partially inserted inside the cylinder, and a fixed damping member and move... | 09/30/2008 |
| 7367086 | String type air damper A string type air damper includes a cylinder formed in a tubular shape, defining a guide hole at one end portion thereof, a piston, which moves in the cylinder, a helical spring for biasing the piston toward the other end portion of the cylinder, and a string member... | 05/06/2008 |
| 7204104 | Damper of drum type washing machine A damper includes: a cylinder: a piston rod inserted to be movable linearly in the cylinder; a guide member provided with a coupling hole to which an insertion portion of the rod member is coupled at a center thereof, and provided with first and second grooves at an... | 04/17/2007 |
| 7182190 | Vibration damper with fire safety device A piston rod and a piston are installed with freedom of axial movement in a cylinder filled with a working medium, the piston dividing the working space into a space on the piston-rod side of the piston and a space on the side of the piston facing away from the pist... | 02/27/2007 |
| 7104369 | Vibration damper with stroke-dependent damping force A piston rod with a piston is installed with freedom of axial movement in a damping medium-filled cylinder, where, as a function of the stroke position of the piston, a bypass connects the two working spaces separated from each other by the piston. The piston has at... | 09/12/2006 |
| 7083164 | Cushion and cushion cylinder for ram or bolster of a press A high-pressure, inert gas cushion assembly for the ram or bolster of a metal stamping press includes a manifold having fluid-flow passages defined therein, along with a plurality of cylinder mounting locations each in communication with at least one of the fluid-fl... | 08/01/2006 |
| 6971303 | Method and device at a piston-cylinder device A method and an arrangement in an energy-accumulating piston-cylinder arrangement (A) has a piston/piston rod part (2), guide/end (3) and tubular casing (1). The casing (1) is provided with a fracture or sprain mark (7) in order to... | 12/06/2005 |
| 6968930 | Damper A damper includes a cylinder, and a piston rod inserted into the cylinder through an opening portion of the cylinder. The piston rod includes front and base ends, and a frictional engaging member provided on an outer surface along a longitudinal direction thereof ex... | 11/29/2005 |
| 6928923 | Piston with supporting connector elements for a piston-cylinder arrangement, in particular a shock absorber piston A piston for a piston-cylinder arrangement, in particular a shock absorber piston exhibiting a piston body (6) provided with one peripheral web (12) protruding from the peripheral surface, disposed on said peripheral surface in both areas, each of whic... | 08/16/2005 |
| 6726219 | Air damper with graphite coated lip seal The air damper includes a piston reciprocating within a cylindrical housing. The piston includes a lip seal which is coated with a minimum of 0.5%/seal part weight graphite powder/molybdenum disulfide. This provides for increased smoothness of operation of the air d... | 04/27/2004 |
| 6712362 | Primary seals for master-slave cylinder systems In a master/slave cylinder system for clutches or brakes, primary seals have bevels which interact with similar bevels of formations on housings of the respective cylinders. Along with the lowest possible friction in the region of the sealing lips, this permits carr... | 03/30/2004 |
| 6695294 | Controlled equilibrium device with displacement dependent spring rates and integral damping A controlled equilibrium device comprising a housing; at least one spring, each at least one spring having a spring stiffness; and a load leveling device movable through the housing between a first maximum displacement position and a second maximum displa... | 02/24/2004 |
| 6591948 | Piston with support webs for a piston-cylinder arrangement, in particular a shock absorber piston The invention relates to a piston-cylinder arrangement, especially a shock absorber piston, comprising a piston body fitted with a peripheral web protruding from the peripheral surface in a section adjacent to the end of the piston to which support webs a... | 07/15/2003 |
| 6547046 | Hydraulic damper A hydraulic damper includes a friction member arranged inwardly with respect to a seal member and mounted to one of a cylinder and a piston rod. The friction member slidably contacts another of the cylinder and the piston rod to produce friction greater t... | 04/15/2003 |
| 6513811 | Air damper with graphite coated lip seal The air damper includes a piston reciprocating within a cylindrical housing. The piston includes a lip seal which is made of rubber or thermoplastic elastomer impregnated with a minimum of 3% molybdenum/seal part weight, or a minimum of 2% polytetrafluoro... | 02/04/2003 |
| 6481336 | Piston with pressure-dependent sealing effect for a piston-cylinder arrangement, in particular a shock absorber piston The invention relates to a piston-cylinder arrangement, especially a shock absorber piston, comprising a piston body fitted with at least two peripheral webs on its peripheral surface, said webs limiting a groove and also including a collar-shaped sealing... | 11/19/2002 |
| 6460839 | Air damper for a movably supported structural part, in particular in automobiles An air damper for a movably supported structural part in automobiles comprises a hollow cylinder closed at one end thereof, a closure cap mounted on the other end of the cylinder, a piston slidably guided within the cylinder, an annular recess at the circ... | 10/08/2002 |
| 6397987 | Dashpot piston in halves A dashpot piston in halves, the face of each resting against that of the other. The piston can be fastened to the end of a piston rod either directly or by way of a connector. Each half (1 & 2) is provided with a depression (7) along the circumference rem... | 06/04/2002 |
| 6311813 | Axially movable switching sealing ring within a groove An axially movable switching sealing ring within a groove having an axial width greater than the axial width of the ring, in particular in the piston of a piston-cylinder unit, where the switching sealing ring has sealing surfaces on its upper side surfac... | 11/06/2001 |
| 6199673 | Silent damper with anti-rattle shaft The damper includes a housing assembly and a piston assembly with reciprocates within the cylindrical walls of the housing assembly. The piston assembly is formed from two disks which are spaced apart by a spacer with includes radially and longitudinally ... | 03/13/2001 |
| 6176492 | Piston ring for shock absorber A number of embodiments of piston sealing arrangements for shock absorbers having a hydraulic cylinder in which a piston is slidably supported to define a pair of fluid chambers. The piston is provided with a peripheral groove in which a sealing piston ri... | 01/23/2001 |
| 6164659 | Piston rod seal A piston rod seal includes a sealing disk provided with a reinforcement element, a guide mechanism, and a support piece which are adapted to be placed consecutively in a metal pipe or similar object functioning as a housing, and which are adapted to surro... | 12/26/2000 |
| 5988608 | Piston-cylinder unit having a sealing valve A piston-cylinder unit includes a piston which divides the cylinder into two working chambers, a sealing valve seals a flow path between the two working chambers in the stationary operating condition of the unit. The sealing valve has a valve element cons... | 11/23/1999 |
| 5884734 | Air damper An air damper includes: a piston adapted to reciprocate in a cylinder; an annular recessed portion formed along an outer periphery of the piston; a sealing member fitted in the recessed portion in a slidable manner, adapted to slidingly contact an inner p... | 03/23/1999 |
| 5860497 | Hydraulic shock absorber with removable components A hydraulic shock absorber is provided with a cylinder formed of a straight pipe, and inside the cylinder, opposite end portions of a base piston are fixed to the inner face by a pair of retainer member C-rings so that a free piston can be received in a l... | 01/19/1999 |
| 5839551 | Piston and piston-rod guide unit for hydraulic shock absorbers In the piston and piston-rod guide unit for hydraulic shock absorbers the piston-rod guide (2) includes an annular piece (3) provided with a central orifice (5) for the piston rod and an elastic sealing ring (4), and the piston (1) is a body of revolution... | 11/24/1998 |
| 5806840 | Fluid-filled unit of a cylinder and a piston rod, in particular gas spring A gas spring having a cylinder and a piston rod. A piston mounted on a piston rod is provided with flexible tongue, rounded ends of which elastically bear on the inside wall of the housing while the rest of the piston is free from the housing. The flexibl... | 09/15/1998 |
| 5730263 | Vibration damper A vibration damper includes a pressure tube in which a piston on a piston rod which can move axially is guided by means of a piston rod guide which closes the pressure tube. The piston divides the pressure tube which is filled with damping medium into two... | 03/24/1998 |
| 5697477 | Air damper An air damper includes: a piston adapted to reciprocate in a cylinder; an annular recessed portion formed along an outer periphery of the piston; a sealing member fitted in the recessed portion in a slidable manner, adapted to slidingly contact an inner p... | 12/16/1997 |
| 5655634 | Shock absorbers and vibration dampers; and shock absorbers and vibration dampers with a piston with a piston ring; and a cyclinder with a piston with a piston ring A shock absorber with an affixed or clamped-on piston ring for a piston-cylinder unit, whereby the piston ring covers a lateral surface of the piston and creates a seal with respect to the cylinder, characterized by the fact that the piston ring has a wid... | 08/12/1997 |
| 5647578 | Latch mechanism A latch mechanism is disclosed for use with an air damper assembly. The air damper assembly is used for controlling the dampening rate of an openable object and includes a piston head having a molded channel therein and a lip seal member disposed around t... | 07/15/1997 |
| 5615756 | Shock absorber for a motor vehicle, which shock absorber has a piston valve Vibration damper, the piston valve of which is fastened to a piston rod, and which comprises a piston body with fluid passage channels which are covered by valve discs on support bodies with valve support surfaces, whereby the piston divides a cylinder tu... | 04/01/1997 |
| 5570761 | Velocity responsive fluid actuated friction damper A fluid actuated friction damper having telescopically movable inner and outer bodies, the outer body having an elongated, continuous friction surface. The inner body includes a first set of friction shoes engageable with the continuous friction surface, ... | 11/05/1996 |
| 5518223 | Air damper assembly with piston seal and piston rod latch An air damper assembly for controlling the dampening rate of an openable object includes a piston head having a molded channel therein and a lip seal member disposed around the connecting member of the piston head to form a continuous seal therebetween. T... | 05/21/1996 |
| 5353689 | Impact damping means for power cylinders An impact damping element is provided including an annular bumper portion and a seal portion surrounding the bumper portion for engaging an inner wall of a cylinder in sealing contact. The impact damping element is adapted to absorb the impact between a p... | 10/11/1994 |
| 5339932 | Apparatus and method to cushion movement of a member An apparatus to cushion movement of a member in a machine includes a piston which divides a cylinder into upper and lower variable volume chambers. A body of lubricating liquid is held in a chamber in the piston. Lubricating liquid is conducted from the c... | 08/23/1994 |
| 5301716 | Closure damper for a sanitary water fitting A suitable design is given of a closure damper for a sanitary water fitting, especially in the form of a single-handle mixing unit, with a casing, an activation handle, and with a control unit presenting a disk, piston, balls, or the like, as well as a cl... | 04/12/1994 |
| 5188345 | Lockable elevating mechanism for the continuous adjustment of chair seats In a lockable elevating mechanism for the continuous adjustment of chair seats a guide tube is provided, to the bottom plate of which is secured a piston rod of a longitudinally adjustable gas spring. The guide tube is provided with an additional tube, wh... | 02/23/1993 |
| 5174551 | Cylinder piston device A cylinder piston device comprises a cylinder and a piston rod. The piston rod is guided through one end of the cylinder inwards and outwards of the cylinder. A damping body is provided for damping the axial movement of the piston rod with respect to the ... | 12/29/1992 |
| 5172793 | Vehicle brake with brake cylinder bore insert The vehicle brake with brake cylinder bore insert (30, 130) comprises a cast disc brake cylinder (12, 112) which includes a bore (14, 114) into which the bore insert (30, 130) may be disposed. The bore (14, 114) may have an opening (22, 118) at either one... | 12/22/1992 |
