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Patent No. 5377411

Hair Cutting Appliance

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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Class 188/322.22 - Thrust member or piston structure


Subclass of Class 188 - Brakes
Definition: Device wherein significance is attributed to a design or
No. of patents: 207
Last issue date: 12/06/2011


1            
NumberTitleIssue Date
8069964Junction bleed
A shock absorber includes a piston which has at least one compression fluid passage and at least one rebound fluid passage. A compression valve assembly closes the at least one compression passage and a rebound valve assembly closes the at least one rebound passage....
12/06/2011
8028813Shock absorber
Disclosed herein is a shock absorber for damping vibration transmitted to a vehicle according to a road state. The shock absorber includes a cylinder and a piston valve disposed within the cylinder and connected to a piston rod to divide the cylinder into a first ch...
10/04/2011
7997395Strut suspension
A strut suspension includes a shock absorber, and a bearing portion that connects the shock absorber to a vehicle body such that the shock absorber can rotate. The bearing portion includes an inner race and an outer race. The thickness of the inner race increases to...
08/16/2011
7950508Piston valve assembly of continuous damping control damper
The present invention relates to a piston valve assembly which is used in a continuous damping control damper using magneto-rheological fluid. The piston valve assembly is coupled with an end of the piston rod, and a stopper having a flat upper surface which is surf...
05/31/2011
7815023Drive device for opening or closing a door or similar
A drive device for opening or closing a leaf of a door, a window or similar includes a housing and a closing spring, which is located in the housing and acts upon a piston, the latter co-operating with a closing shaft in the housing by means of gearing, The piston a...
10/19/2010
7641029Annular groove monotube piston with non-symmetrical band
A piston assembly for a monotube shock absorber includes a piston body with a non-symmetrical outer band that provides a bearing surface against a shock tube wall. The outer band defines a first diameter that is a maximum outer diameter of the piston assembly. The p...
01/05/2010
7451860Shock absorber with amplitude damping
For a device for the amplitude-dependent absorption of shocks, especially of the wheel of a vehicle, with at least one working piston (3), which is disposed within an absorbing housing (1) and connected with a piston rod (2) and divides the abso...
11/18/2008
7370866Sleeve element having a biasable end region, apparatus including same, and method of use
A sleeve element having at least one end region configured to be biased into a laterally adjacent recess formed in one of a piston element surface and a bore surface is disclosed. A seal assembly is disclosed including two sleeve elements, each sleeve element having...
05/13/2008
7367435Shock absorber design method
A shock absorber preferably used for an automobile aims at inhibition of noise caused by self-induced vibration. The shock absorber includes a piston, a working cylinder for housing the piston; and a rod, one end of which being attached to the piston and the other e...
05/06/2008
7364000Suspension apparatus of vehicle
The invention provides a suspension apparatus of a vehicle comprising a base end portion of a swing arm pivotally attached to a vehicle body so as to freely oscillate, and a wheel which is rotatably supported to a leading end portion of the swing arm. A first link i...
04/29/2008
7347437Damper assembly
A damper assembly for a suspension system of a vehicle includes a housing adapted to be mounted to one end of a strut in the suspension system. The housing has a chamber with fluid therein. The damper assembly also includes at least one diaphragm extending across th...
03/25/2008
7322449Hydraulic shock absorber
A piston connected to a piston rod is fitted into a cylinder in which a hydraulic fluid is sealably contained. A flow of the hydraulic fluid is generated in an extension-side fluid passage and a compression-side fluid passage according to a sliding motion of the pis...
01/29/2008
7316409Front fork of bicycle with buffer apparatus
A front fork of a bicycle, which has damping function, has a lower fork having a closed bottom. An upper fork tube is inserted into the lower fork for reciprocation relative to the lower fork, which has a nozzle at a top thereof. Oil is received in a space between t...
01/08/2008
7310876Method for making a piston body
A method for producing a one-part piston body for a piston-cylinder arrangement, in particular a shock absorber piston, is disclosed. The method may include in a first step, pressing a green compact comprising a revolving web and longitudinal support webs from a sin...
12/25/2007
7299908Shock absorber
A device for absorbing shocks, in particular for two-wheeled vehicles, having at least a chamber filled with a fluid medium; at least a piston means (20) movable in the longitudinal direction of the chamber ...
11/27/2007
7293634Hydraulic vehicle shock absorber
A hydraulic shock absorber comprises a cylindrical chamber (3), which is closed at one end and in which is axially slidably guided a piston member 85), supported by a piston rod (8) and at its peripheral surface carrying a surrounding non-slotte...
11/13/2007
7255211Dashpot with amplitude-dependent shock absorption
A dashpot featuring amplitude-dependent shock absorption, especially intended for the wheel of a vehicle and including a hydraulically parallel cylindrical pressure-compensation chamber (8). The pressure-compensation chamber is partitioned by an axially displ...
08/14/2007
7204104Damper 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
7182190Vibration 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
7178446Cylinder rod with position sensor surface markings
A cylinder rod with wear-resistant surface markings is provided. The cylinder rod may include a rod substrate, a thermal-spray coating disposed on a surface of the substrate, and one or more surface markings disposed on the coating at predetermined locations along t...
02/20/2007
7172058Vibration damper with amplitude-dependent damping force
Vibration damper with amplitude-dependent damping force includes a cylinder, in which a piston rod, carrying a piston, is guided with freedom of axial movement, where the piston divides the cylinder into a working space on the piston rod side and a working space on ...
02/06/2007
7147207Actuator apparatus for controlling a valve mechanism of a suspension system
An actuator apparatus controls a valve mechanism of a suspension system. The apparatus includes a valve actuating assembly and an adjuster assembly. The valve actuating assembly is operatively connected to the valve mechanism and is operable between at least two rid...
12/12/2006
7134534Damper for front fork of vehicle
A front fork for a vehicle includes an upper front fork tube, a lower front fork tube movably coupled to the upper front fork tube, a fluid contained in the upper and lower front fork tubes, and a damper fixedly sealedly mounted inside the upper front fork tube. The...
11/14/2006
7111711Vibration damper with stroke-dependent damping force
Vibration damper, containing a damping medium-filled cylinder, in which a piston rod with a piston is installed with freedom of axial movement, where, as a function of the stroke of the piston, a bypass connects a working space on the piston rod side to a working sp...
09/26/2006
7104369Vibration 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
7070028Frequency dependent damper
A gas shock absorber has a pressure tube which defines a working chamber. A piston divides the working chamber into an upper working chamber and a lower working chamber. A flow path extends through the piston to provide fluid communication between the upper and lowe...
07/04/2006
7070029Monotube piston valving system with selective bleed
A shock absorber piston assembly includes a piston having a first face, a second face and a plurality of fluid passages. Preloaded flow control devices each seal at least one of the fluid passages, including: a first bleed plate contacting the first face and a secon...
07/04/2006
7066310Piston-cylinder unit
A piston is guided in an axially displaceable manner sealed off from a closed cylinder via an annular seal radially surrounding it, and divides the cylinder interior into a working space near the piston rod and a working space away from the piston rod. The two worki...
06/27/2006
7048100Piston/cylinder unit
A piston/cylinder unit has a closed cylinder with a piston axially displaceably guided therein. The piston divides the cylinder interior into first and a second working spaces which are both filled with a fluid. A first nonreturn valve is arranged in the piston havi...
05/23/2006
7032727Shock absorber having a hydraulic stop
A shock absorber includes a hydraulic stop. The hydraulic stop includes two housings connected together by a spring. At the end of the stroke of the shock absorber, the piston causes the two housings to approach each other thereby causing fluid disposed between the ...
04/25/2006
7021435Monotube strut with rebound cut-off feature
A suspension damper including a tube and a damping piston assembly disposed within the tube and slidably mounted therein for reciprocal movement in the tube. The suspension damper also includes a piston rod extending through the tube and connected to the damping pis...
04/04/2006
7014157Friction cylinder for a support device
A positionable support device includes a friction cylinder as a counterbalance in place of conventional gas springs. The support device includes a support arm pivotally secured between two endcaps to allow for vertical movement, the first endcap being mounted to a s...
03/21/2006
7011191Locking strut
A locking strut including a housing with a piston rod extending therethrough. A baffle mounts on the piston rod to divide the housing into two chambers. An orifice through the baffle allows fluid to pass between the chambers to damp reciprocating movement. An electr...
03/14/2006
7001671Kinetic sprayed electrical contacts on conductive substrates
The present invention is directed to electrical contacts that comprise spaced electrically conductive particles embedded and bonded into the surface of conductors in which the particles have been kinetically sprayed onto the conductors with sufficient energy to form...
02/21/2006
6988600High frequency dampening apparatus
A high frequency dampening apparatus for dampening the travel of a high frequency cycling driver. The present invention provides an enclosed housing having a fluid disposed therein. A piston rod is partially disposed within the housing and is engageable with a high ...
01/24/2006
6974143Hydraulic shock absorber for vehicle
In a hydraulic shock absorber for a vehicle in which a slide pipe is slidably provided within a cylinder tube, and a working fluid chamber is provided within the cylinder tube and the slide pipe, a guide bush coated with a polytetrafluoroethylene and an oil seal sea...
12/13/2005
6974004Shock-absorbing piston for hydraulic fixtures
A shock-absorbing piston for hydraulic fixtures, especially hydraulic dashpots for motor vehicles, and separating two hydraulics chambers. The body of the piston is breached by one or more ports. The end of each is blocked by a resilient or resiliently loaded cap. T...
12/13/2005
6974005Vibration damper with overload protection
Vibration damper comprising a damping medium-filled pressure tube, in which a displacer is installed, where a damping device produces a damping force as a function of the movement of the displacer. A damping force-limiting device, independently of the flow of the da...
12/13/2005
6959906Blow-off valve for a hydraulic dashpot
A blow-off valve for a hydraulic dashpot comprising a fluid charged cylinder (1) and a piston (3) that travels back and forth therein on the end of a piston rod. The piston partitions the cylinder into two compartments (6 & 7) and is prov...
11/01/2005
6932200Shock absorber and mounting system for a drawer slide
A shock absorber mounting system for a drawer slide system comprising a fixed drawer slide member fixedly attached to a furniture frame, a moveable drawer slide fixedly attached to a drawer and slideably attached to the fixed slide member for guiding the drawer in a...
08/23/2005
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