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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 7234356 | Shock resistant blood pressure measuring apparatus A pressure measuring apparatus includes a gage that is at least partially imbedded within a flexible elastomeric member disposed within an interior cavity of a device housing. A shock resistant member into which the gage is inserted permits fluid interconnection bet... | 06/26/2007 |
| 7172200 | Sealing arrangement on piston rods A sealing arrangement on piston rods with a rod guided in a cylindrical compressed-gas space, particularly on piston rods of high-pressure pneumatic springs or gas-filled shock absorbers, with at least one seal disposed on the piston rod for sealing the compressed-g... | 02/06/2007 |
| 7114710 | Pneumatic vibration isolator In a pneumatic vibration isolator that includes a housing, an upper part with a first cylindrical side wall and a lower part with a second cylindrical side wall, a pneumatic spring is disposed in an annular gap between the first and the second cylindrical side wall ... | 10/03/2006 |
| 7055661 | Hydraulic shock absorber with adjusting of shock absorbing type A shock absorber (1) includes a compression chamber (2) in which a piston (3) moves along a path of travel from a near end to a far end. The chamber includes a constant force mode bleed orifice (10) adjacent the far end and a series of pr... | 06/06/2006 |
| 6877591 | Crank of a shock absorber for a bicycle A crank of a shock absorber for a bicycle has two ends respectively pivotally connected with a bicycle frame and a rear shock absorber, having a round hole and a disc fitted in the round hole, a rear bearing hole, a narrow groove communicating with the round hole an... | 04/12/2005 |
| 6691989 | Variable rate air spring assembly An air spring assembly has a pair of spaced end plates and a flexible sleeve extending therebetween forming an internal fluid chamber. One of the end plates is a bead plate which is crimped to an open end of the sleeve. An insert having an internally thre... | 02/17/2004 |
| 6457702 | Annular bellows unit for vehicle suspension An annular bellows unit for replacing a vehicle suspension coil spring that encloses a shock absorber or hydraulic actuator includes annular second flange members that are sealingly connected at opposite ends of respective inner and outer bellows members ... | 10/01/2002 |
| 6446943 | Gas spring pressure release mechanism A gas spring device includes a pressure adjustor having an actuator mechanism which regulates the rate of discharge through a pressure-release valve in equal bursts small enough to permit precise adjustment of the internal working pressure of the gas spri... | 09/10/2002 |
| 6332602 | Vehicle suspension having annular air chamber An annular bellows unit for replacing a vehicle suspension coil spring that encloses a shock absorber or hydraulic actuator includes annular second flange members that are sealingly connected at opposite ends of respective inner and outer bellows members ... | 12/25/2001 |
| 6272853 | Hydraulic lifting-lowering-system for a working table, a couch or lying furniture or another heavy object A hydraulic lifting-lowering-system for a working table, a couch or lying furniture or another heavy object allows the height level or position to be frequently adjusted or changed. The system includes a predetermined amount of hydraulic fluid, a hydrauli... | 08/14/2001 |
| 6267360 | Shock absorber A shock absorber is formed of a cylinder having a stopping surface, a piston slidably situated in the cylinder to be moved when it is pushed by a moving member, and a switching device attached to the cylinder to be actuated right before the piston abuts a... | 07/31/2001 |
| 6213263 | Oil damper system The oil shock absorber system includes a piston and cylinder arrangement for driving oil from the cylinder to a reservoir. The reservoir includes a reserve chamber and a chamber intermediate the cylinder and the reserve chamber. A flow path including thre... | 04/10/2001 |
| 6196528 | Spacecraft antenna vibration control damper A vibration control system is provided for an appendage such as an antenna 10 coupled to a platform such as a spacecraft 12. The antenna 10 is coupled at a base 14 so as to extend from the spacecraft 12. A plurality of guidelines 20 extend between remote ... | 03/06/2001 |
| 6126152 | Variable response pneumatic support A pneumatic resiliency unit having a bellows with a bellows first section terminating in a bellows first section first end and a bellows first section second end, and a bellows second section terminating in a bellows second section first end and a bellows... | 10/03/2000 |
| 6080197 | Shock absorbing device for an artificial leg A shock absorbing device for use with an artificial leg has a coupling member that includes a mounting plate and a tubular portion. The tubular portion has an upper end surface and is formed with a radial inward first restricting portion distal to the upp... | 06/27/2000 |
| 6035740 | Steering column of a motor vehicle A gas compression spring (10), is built into the telescoping shaft (1, 2) of a steering shaft. Via a cap element (12), the gas compression spring (10) presses against an articulated fork (6) and the piston rod (11) of the gas compression spring (10) press... | 03/14/2000 |
| 5971373 | Multi-cylinder buffer device A buffer device has a plurality of positioning seats, a base seat disposed on the positioning seats, and a main cylinder and a plurality of auxiliary cylinders disposed on the base seat. The base seat has a main oil channel, a plurality of oil inlet chann... | 10/26/1999 |
| 5564535 | Side impact energy absorber A shock absorbing pad, preferably for the interior of a vehicle, comprising a series of interconnected fluid reservoirs in the form of spheres partially filled with a fluid. Below a certain level of impact the shock is absorbed as the fluid is forced from... | 10/15/1996 |
| 5529293 | Arrangement of pulling means The lifting apparatus employs a plurality of stacked annular discs, each of which is secured at the inner and outer periphery to an adjacent disc to define a hollow space. Circular discs are secured at the opposite ends of the stacked annular discs to enc... | 06/25/1996 |
| 5337137 | Height sensor and air spring device incorporating the same A height sensor for determining the height from a surface to be measured on the basis of an optical path length from a light-emitting element to the surface to be measured includes: a first light-emitting element and a second light-emitting element dispos... | 08/09/1994 |
| 5222580 | Hydraulic cylinder for a physical exercise equipment A hydraulic cylinder for a physical exercise equipment includes a cylinder body, a piston rod which extends outward from the cylinder body and which has an annular groove that is formed circumferentially in an outer end portion of the piston rod, and a co... | 06/29/1993 |
| 5219152 | Adjustable-stroke spring and shock absorber device In the preferred embodiment, the device comprises a body, a sliding rod mounted to slide inside the body, and a control rod including both compression and expansion end-of-stroke abutments associated with a control piston for displacing the control rod to... | 06/15/1993 |
| 5152547 | Dual piston strut A vehicular suspension system incorporates, at each wheel, a liquid spring which internally utilizes a compressible liquid to generate spring and damping forces that yieldingly resist vertical wheel deflection relative to the vehicle frame. The liquid spr... | 10/06/1992 |
| 4964491 | System for limiting snap load intensity A system which limits the intensity of a snap load imposed in a tether or cable, used, for example, in the recovery of an object at sea, includes a floating plate for connection to the cable and a support housing for connection to the object being recover... | 10/23/1990 |
| 4944498 | Gas spring In a gas spring the piston rod is guided through one end of a container. Adjacent to this one end two sealings are provided in axial direction one behind the other, namely an axially outer sealing and an axially inner sealing. A liquid chamber is defined ... | 07/31/1990 |
| 4793451 | Energy absorber device with plastic casing and screw-in plastic seal An energy absorber device including a plastic cylinder having a smaller and larger diameter portion with a shoulder at the junction therebetween, a screw-in plastic seal at one end of the casing surrounding a piston member, a metal housing having smaller ... | 12/27/1988 |
| 4792128 | No grow gas spring A gas spring with a piston rod slidably received in a cylinder with a chamber which is charged with a compressed gas. A positive stop is removably received in the cylinder to limit the extent to which the rod can be extended independently of a bearing and... | 12/20/1988 |
| 4603844 | Cushion isolator A cushion isolator comprising a base body, a drum vertically disposed on the base body, a supporting plate disposed on the upper flange of the drum, a valve disposed in the inlet of the passage, a first fixing plate securing the drum on the base body and ... | 08/05/1986 |
| 4564176 | Hydraulic dashpot A hydraulic dashpot has a high pressure space and a low pressure space into which the hydraulic fluid is forced through a spring loaded and adjustable spill valve when the dashpot is acted upon by a blow to be damped. The low pressure space is divided up ... | 01/14/1986 |
| 4447047 | Cylinder structure A cylinder structure and method for rapidly evacuating a cylinder without contamination thereof. The structure comprises a hollow cylinder, a piston mounted in the cylinder for axial reciprocation, a hollow piston rod secured to the piston for movement th... | 05/08/1984 |
| 4372545 | Shock absorber for a vehicle with a flexible suspension The invention relates to a shock absorber mounted between a suspended part and an unsuspended part of a vehicle and specifically a telescopic hydraulic shock absorber comprising a damping piston slidingly mounted in a cylinder. A compensation piston coope... | 02/08/1983 |
| 4153145 | Heavy duty hydraulic shock absorber A heavy duty hydraulic shock absorber having an inner tube in which is slidably mounted an impact receiving piston assembly. Upon application of an impact force on the piston assembly, the piston assembly is moved inwardly of the inner tube and fluid from... | 05/08/1979 |
| 4124202 | Gas spring A gas spring includes a cylinder receiving pressurized gas and liquid therein, a piston slidably disposed in the cylinder, a piston rod secured to the piston and extending to the outside of the cylinder through a first end thereof, a valve mechanism dispo... | 11/07/1978 |
