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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Class 188/297 - Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir)


Subclass of Class 188 - Brakes
Definition: Internal resistance motion retarder wherein said first member
No. of patents: 66
Last issue date: 01/24/2012


1    
NumberTitleIssue Date
8100236Shock absorber having self pumping unit
A shock absorber, in which external gas is sucked by movement of a piston rod to obtain compressed gas, which is used for inhibiting the “lag” phenomenon. A piston valve is connected to one end of a piston rod received in an inner shell and moved between rebound...
01/24/2012
8002093Damper and vibration damping structure using the same
A damper includes a hollow outer elongated body; a hollow inner elongated body; a liquid viscous body or liquid viscoelastic body disposed in a gap between an inner surface of the elongated body and an outer surface of the elongated body in such a manner as to be in...
08/23/2011
7793766Front fork
The front fork (100) includes a fork main body (3) in which an inner tube (2) is inserted into an outer tube (1) to enable free expansion and contraction, a damper (10) generates a damping force when a rod (5) moves within a...
09/14/2010
7766136Suspension arrangement for motor vehicles
The invention relates to a suspension arrangement (1) for—loading-bearing and resilient wheel support in a motor vehicle, having at least one spring cylinder (2) with a piston (6) which is guided in a cylinder (4) such that it can be mo...
08/03/2010
7565957Damper and vibration damping structure using the same
A damper includes a hollow outer elongated body; a hollow inner elongated body; a liquid viscous body or liquid viscoelastic body disposed in a gap between an inner surface of the elongated body and an outer surface of the elongated body in such a manner as to be in...
07/28/2009
7426983Landing gear strut damper, and landing gear with independent struts comprising same
A damper for an airplane landing gear leg comprises a main strut (11) and a rod piston (13) co-operating with the strut (11) to define a main chamber (15) and annular chamber (16) for hydraulic fluid, and presenting internally two ...
09/23/2008
7383108Vertical acceleration sensing vehicle brake system
A vertical acceleration compensator is employed in the braking system of a vehicle wheel that undergoes vertical motion relative to the vehicle frame. The vertical acceleration compensator senses the vertical movement of the vehicle wheel relative to the vehicle fra...
06/03/2008
7357232Front fork in two-wheeled motor vehicle or the like
In an inverted type front fork in a two-wheeled motor vehicle or the like, a stopper plate having a through hole formed in a center portion is fitted to an inner periphery of an upper end portion of an inner tube. A rod attached to an outer tube is inserted into the...
04/15/2008
7296812Front fork of a motor cycle
In a front fork of a motorcycle or other motor vehicle, an oil chamber is provided in an outer side of a hollow pipe is vertically divided into upper and lower sides by a piston arranged in a leading end portion of the vehicle body side tube. An oil reservoir chambe...
11/20/2007
7281704Damping apparatus for moving furniture parts
The present invention relates to a damping apparatus for moving furniture parts, for example doors, flaps or drawers. Such a damping apparatus of a compact construction which avoids a possible springing back movement of the furniture parts is provided in accordance ...
10/16/2007
7240775Shock absorber
A shock absorber of a built-in damper type is provided with a rod guide portion one end of which is fixed to an end of a cylinder for a damper, the rod guide portion slidably supporting a rod, and an oil lock piece disposed in the other end of the rod guide portion,...
07/10/2007
7182187Damper and vibration damping structure using the same
A damper includes a hollow outer elongated body formed of a cylindrical member; a hollow inner elongated body similarly formed of a cylindrical member; a viscous body disposed in a cylindrical gap between an inner surface of the elongated body and an outer surface o...
02/27/2007
7159699Adjustable shock absorber
A shock absorber is provided and includes a first end adapted for connection to a vehicle, a second end adapted for connection to the vehicle, a case containing a piston rod and a piston valve and a compression adjustment device disposed exterior to the case, wherei...
01/09/2007
7021434Self-pumping hydropneumatic suspension strut
Self-pumping hydropneumatic suspension strut with internal height control, in particular for motor vehicles with a work cylinder which is filled with oil and is under pressure by at least one gas cushion which is arranged in a high-pressure chamber and which acts as...
04/04/2006
6974003Spring-shock absorbing system with tubular rolled bellows
A combined spring/damper system for the support of wheel suspensions or axles on a vehicle body, with a tubular concertina which is mounted between an outer bell and a rolling piston and the meniscus of which is guided on a cylindrical inner-wall region of the outer...
12/13/2005
6911050Prosthetic knee unit
A prosthetic knee device having a hydraulic cylinder with a piston and a gas cylinder. A connecting element extends outwardly from the piston and passing through a gas cylinder. A bottom portion of the gas cylinder is adapted for slidable engagement with the hydraul...
06/28/2005
6886817Damping device for movable furniture parts
A damping device for movable furniture parts, such as doors or drawers, includes a cylinder filled with a free-flowing medium which is compressed by a piston which has a spring applied to it in its extended position. In order to provide a damping device of this type...
05/03/2005
6749046Combined spring and shock absorber system including a hydraulic accumulator
In a combined spring and shock absorber system for a wheel suspension of a vehicle comprising tubular rolling bellows arranged between a wheel-support structure and a vehicle body the bellows includes a space filled with a fluid in communication with a hydraulic acc...
06/15/2004
6749045Passive force element on the basis of electrorheologic liquids
A passive force element on the basis of electrorheological liquids includes a piston with a piston rod guided in a cylindrical housing, and a force introduction element connected with the piston rod. The piston forms, in the cylindrical housing, two variable-volume ...
06/15/2004
6725983Shock absorber with air pressure adjustable damping
A vehicle suspension assembly includes a shock absorber that provides variable damping dependent on the load conditions of the vehicle. A central rod of the shock absorber includes a central bore that is fluidly coupled with air pressure within air springs of the su...
04/27/2004
6676115Spring system
The invention is directed to a spring system for a vehicle including a two-wheel vehicle. The spring system includes first and second spring units mounted coaxially to each other. The first spring unit includes a first roll-off piston and a first rolling-...
01/13/2004
6659242Hydraulic shock absorber for vehicle
In a hydraulic shock absorber in which a piston is slidably in contact with an inner periphery of an inner tube, a cross sectional area S1 of an annular oil chamber which is sectioned by an inner periphery of an outer tube and an outer periphery of the in...
12/09/2003
6655509Impact damper
An impact damper as a connecting member between a bumper and a chassis of a motor vehicle for the purpose of damping the shock loading during a collision between this motor vehicle and an obstacle through hydraulic damping forces and gas-spring forces. Th...
12/02/2003
6655510Hydraulic damper
An inner tube (2) connected to a vehicle body is inserted such that it is free to extend and contract in an outer tube (1) joined to a vehicle shaft. A partitioning member (3) divides an internal oil chamber at the end of the inner tube. A damping valve (...
12/02/2003
6619445Telescopic vibration damper
A telescopic vibration damper, comprising a pressure tube filled with a damping medium, in which a piston rod is arranged such that it can move axially, the pressure tube being axially displaceably guided in an intermediate tube. An annular chamber betwee...
09/16/2003
6615961Seal construction of shock absorber with leveling function
To positively prevent a pressure medium sealed into an outer tube from leaking out from a clearance relative to an oil damper, there is provided a seal construction of a shock absorber 1 with leveling function wherein a seal mechanism 3 is disposed in an ...
09/09/2003
6568664Front fork for motorcycle
A flow restriction part (10) which provides a resistance to high speed oil is provided in a reservoir (R), and an air chamber (A2) which contracts according to an oil pressure is disposed underneath this flow restriction part (10). Providing su...
05/27/2003
6227338Shock absorbing leg with top steering attachment
The invention relates to a shock absorbing assembly including a steering assembly for a vehicle, such as a mobile crane, and consisting of a shock absorbing leg including an outer tube securable to the frame of the vehicle, a wheel carrier telescopically ...
05/08/2001
6182806Hydraulic shock absorber
The present invention provides a hydraulic shock absorber 10, with a cylinder 12 which is filled with a hydraulic fluid; a piston 14 connected to one end of a piston rod 15, which is slidably located in the cylinder; and a free piston 47 which is slidably...
02/06/2001
6161662Suspension damper for motor vehicle
A monotube suspension damper including a cylinder tube having a fluid chamber and a gas chamber, a piston dividing the fluid chamber into a compression chamber and a rebound chamber, a primary fluid flow path across the piston including flow control valve...
12/19/2000
6152432Fluid pressure springs
A fluid pressure spring (8), such as for opening the hatchback door of a vehicle, comprises a hollow cylinder (10) having a fixture (24) for pivotal connection to the hatchback door. A piston (30) is connected to a hollow piston rod (114) which carries a ...
11/28/2000
6121526Rotary damper
A rotary damper has a shaft and a torque control mechanism which are accommodated in a chamber filled with a viscous fluid. The chamber is divided into a first compartment and a second compartment. The torque control mechanism comprises an auxiliary chamb...
09/19/2000
6027105Impact damper
An impact damper includes two tubes which are slidable one in the other for braking a vehicle impact against an obstacle by hydraulic damping forces and pneumatic spring forces. The inner tube is closed off by a bottom. A gas chamber containing a high pre...
02/22/2000
5992584Dashpot for power cylinder
This invention relates to a pneumatic power cylinder dashpot piston which formed of an elastomeric cylinder and a sleeve and having a space between the interior wall of the cylinder and the exterior wall of the sleeve, and the space is filled with a flui...
11/30/1999
5984060Monotube strut assembly
A monotube strut assembly includes a housing tube with a piston assembly fixed relative to the housing tube by a piston rod. A damper body tube is reciprocally carried in the housing tube and is slidably engaged with the piston assembly. A bearing sleeve ...
11/16/1999
5975129Hydraulically operated pressure relief valve
This disclosure is directed to a relief valve connected to the output manifold of a triplex mud pump. The valve body includes an inlet mud flow opening, an internal passage with a movable valve element to modulate flow, and a mud outlet opening for connec...
11/02/1999
5934420Device for resiliently suspending a piston on a closed-off hydraulic column
A volume spring element 152 is located inside the piston 10 which is open to the cylinder 20. The spring element 152 is surrounded by hydraulic liquid on all sides except at its surface 1521 at which the element 152 is attached to the piston 10. When the ...
08/10/1999
5810129Rotary damper
A rotary damper for stabilization of a damping and temperature characteristic without impairing a temperature compensation function and facilitates a lubricating operation. The damper includes a bore for a damping force generating mechanism as a single co...
09/22/1998
5788029Vibration isolation system
A vibration isolation system comprises four tunable dual-axis hydraulic inertial isolators, an array of accelerometers, and a controller. The controller inputs signals from the accelerometers and outputs signals to tune the isolators to minimize the vibra...
08/04/1998
5634652Bicycle suspension
A suspension member for a bicycle is set forth which includes a strut telescopically received into a cylinder. A head assembly extends from the cylinder through a piston defined at the end of the strut and into the strut. Mounted to the assembly is a valv...
06/03/1997
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