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Document |
Document Title |
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7565859 |
Power clamp with kinetic energy control
A clamp including kinetic energy control. The clamp includes a self-compensating, non-adjustable hydraulic damper having kinetic energy absorption, such as a shock absorber.
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7481161 |
Plunger-cylinder assembly
A plunger-cylinder assembly for a press including a plunger which is accommodated at least in part in a cylinder while separating the interior of the cylinder into two partial chambers along the...
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7252031 |
Cylinder apparatus
In a cylinder apparatus such as a hydraulic shock absorber, a piston to which a piston rod is connected slidably is inserted into a cylinder which contains liquid oil. A rebound spring is wound...
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7228784 |
Rotary or pivoting device and connection module for a rotary or pivoting device
The invention relates to a rotary or pivoting device (10) comprising a housing (12), at least one working piston (14) that is located in the housing and can be impinged by hydraulic fluid and a...
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6705205 |
Spring damper apparatus
A piston apparatus includes a housing containing a piston, a first spring assembly arranged about a portion of the piston, a damping assembly including a hydraulic damper reset spring assembly...
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5737998 |
Heavy-load hydraulic or air cylinder
A heavy-load hydraulic or air cylinder comprises a main body provided therein with an action rod having an driven end. The driven end is exerted on by the liquid or air pressure to actuate the...
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5343797 |
Cylinder device
A cylinder device which is capable of restraining the total length thereof to a shorter length even when the stroke is made longer, and which thereby provides the compact appearance and layout of,...
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5323690 |
Fluid actuator assembly for imparting rotational movement to a boom
A linear movable apparatus for imparting rotational movement to a turntable is provided. The turntable is secured to a rotatably mounted shaft having a ring gear thereon for meshed engagement with...
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5309817 |
Linear brake for fluid actuator
A linear braking mechanism for fluid actuators defined by a cylinder enclosing a cavity having a piston/piston rod assembly reciprocally mounted therein. The braking mechanism includes a spring...
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5199504 |
High efficiency pneumatic impacting mechanism with a plunger valve
A pneumatic impacting mechanism comprising a first cylinder and a piston with a rear air distributing bar and a front air distributing bar which simultaneously acts as an impacting head of the...
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5193430 |
Air cylinder with intermediate mechanical dead-stop
Presented is an air cylinder apparatus including a control mechanism that is operable to interject mechanical dead-stops to control the linear translation of the piston of the air cylinder to...
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4922722 |
Stirling refrigerator with nonlinear braking spring
A Stirling refrigerator has a cold-finger in which a displacer can reciprocate in accordance with changes in pressure inside the cold-finger which are produced by a compressor. A spring is...
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4898082 |
Molded plastic air cylinder
A plastic pneumatic cylinder has a cylinder housing, a piston within the housing, and a rod on which the piston is mounted. The cylinder is molded of a plastic synthetic resin and has a cylindrical...
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4856283 |
Refrigerator
A cold finger portion of a refrigerator is coupled to a movable member by means of a spring member having a linear characteristics to form a vibration system make phase difference between pressure...
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4776408 |
Pneumatic impact tool
A pneumatic impact tool having a special cushioning assembly for cushioning the repeated recoil of a hammer piston and thereby providing substantially reduced tool vibration during use. The...
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4737183 |
Bottle manufacturing apparatus
A bottle manufacturing apparatus has a plurality of exchangable blow molds each having a bottom plate, a plurality of take-out mechanisms for taking a bottle formed in a corresponding blow mold out...
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4667574 |
Actuator for movement of a tool and a tire carcass transfer device utilizing the actuator
A tire carcass transfer device (111) having a hollow housing (112) for receiving a tire carcass (160), a plurality of flexible cups (21) arranged in a circular band around the housing, vacuum means...
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4642995 |
Damped displacer refrigerating machine
A refrigerating machine having a displacer reciprocable in a hollow space having a substantially-closed end for the refrigerating operation has a spring between the displacer and the...
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4633758 |
Double-acting working cylinder having a piston-dampening arrangement
A fluid-pressure-operated, double-acting working cylinder which dampens the final braking of the work piston, includes a cylinder housing with a movable work piston disposed therein, the work...
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4611634 |
High pressure accumulator
A high pressure accumulator for supplying working fluid of a hydraulic control system includes a cylinder, walls disposed on ends of the cylinder, a piston movable within the cylinder defining a...
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4591129 |
Valve seal breakaway device
A spool valve has a seal-carrying spool movable in a valve bore terminated at one end by an end wall. A stem projects toward the end wall from an end of the spool. A hollow cylinder member is...
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4569203 |
Cryogenic cooler
A thermal energy detecting system includes a closed cycle cooler (refrigerator) having a piston assembly including a piston, a piston housing and a preloaded spring mounted in the piston housing...
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4493245 |
Rotary and linear actuating device
A rotary and linear actuating device is disclosed for imparting precision rotary and linear movement to an external member or assembly. In a preferred form of the invention a rotatable assembly is...
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4492147 |
Reciprocatory air motor with cushioning pistons
A reciprocatory air motor has a main plunger valve the position of which controls the flow of air to opposite sides of a main motor piston. Positioning of the plunger valve is itself controlled by...
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4470340 |
Locking mechanism for fluid operated actuator
An automatic mechanism is provided for locking the piston rod of a multi-position fluid operated linear actuator in its existing extreme axial position and to maintain such piston rod's position...
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4458579 |
Hydraulically driven reciprocating motor
A hydraulically driven reciprocating motor (10) includes a hydraulic cylinder (12) and a piston (60) mounted for reciprocation within the cylinder. The piston has passageways (74) formed...
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4440068 |
Hydraulic cowl door actuator with anti-vibration loading device, and assembly employing same
A single ended hydraulic actuator requiring hydraulic pressure to extend the piston for raising the cowl door of a jet engine and the like. A preload spring device carried in the piston-rod...
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4431172 |
Device for absorbing punching shock in a press
A shock absorbing device in a press is formed by having a telescopically sliding member fastened to the punch plate of the press and a stopper member fastened to the die plate of the press and...
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4388972 |
Vibrationless impact tool
A vibrationless pneumatic impact tool comprises: a housing; a cylinder axially displaceable in the housing; a hammer piston reciprocably driven by pressure air in the cylinder; a recoil cushioning...
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4344570 |
Apparatus for cleaning the interior of tubes
A forward motion arresting means is added to a fluid powered lance to reduce the harmful effect of the stopping of the lance forward motion. A plug member mounted on the lance mates with a body...
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4298373 |
Apparatus for cushioning the motion of reciprocating members
The take-out mechanism on a glass container forming machine is operated by the vertical reciprocation of a fluid motor. The movement of the tongs into position to grasp a new container is...
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4240332 |
Fluid operated locking actuator
A fluid pressure actuator which locks in the extended position. The lock is a roller operated, dual segment pawl mechanism that unlocks in response to a pressure difference between extend and...
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4238991 |
Three-position actuator
A three-position actuator comprising a casing having a diaphragm dividing the casing into separate pressure chambers, an actuating rod connected to said diaphragm and resilient means urging said...
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4222462 |
Brake to decelerate axially moving actuating rod
A brake to decelerate the driving movement of an actuating rod along an axis. The actuating rod is driven relative to a frame by an actuating mechanism. The actuating rod has an external tapered...
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4078450 |
Apparatus for shock mounting of piston rods in internal combustion engines and the like
An engine is disclosed having at least one piston in operative connection with a crankshaft. A bearing member which defines an elongated, curved bearing surface, is pivotally attached at one end to...
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4041845 |
Hydraulic elevator apparatus
Hydraulic elevator apparatus including a cylinder and a fluid actuated plunger which supports an elevator car. A cylinder head seals against fluid leakage to the outside, and it guides the plunger...
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4018141 |
Vehicle speed control
An auxiliary speed control system for a vehical having an engine, a multiple ratio transmission and an operator's foot pedal for varying the engine speed. To obtain a vehicle speed which is...
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3988968 |
Stop tube for cylinder assemblies
A stop tube for use in cylinder assemblies. The stop tube is defined by a base having a tube secured thereto and the base is adapted to be slidably received on the rod of a cylinder to float thereon.
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3905278 |
Manufacturers of jacks operated by high pressure fluid
A jack having a cylinder, a piston in the cylinder and a piston rod attached to the piston, the periphery of the piston including a recess defined by two shoulders facing one another, a pair of...
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3838625 |
HYDRAULIC DOUBLE TELESCOPING MINE PROP
A hydraulic double telescoping mine prop in which the pressure spaces between the inner prop and the middle prop are hydraulically connected. A back-pressure valve in such connection is controlled...
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3838759 |
JAW CLUTCH FOR MULTI-SPEED GEAR TRAINS OR THE LIKE
A jaw clutch wherein a shaft has two sets of external teeth and is movable axially between a first position in which the clutch is disengaged and at least one second position in which the shaft...
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3803988 |
DIESEL FUEL PRIMER PUMP
A diesel fuel primer pump includes a piston assembly and cylinder having a filter media for air exhausted from the cylinder and biasing means between the actuating handle for the piston and the...
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3766836 |
SPRING CENTERED, SPRING MODULATED CONTROL CYLINDER
A vehicle steering system having a pair of fluid power cylinders for simultaneously actuating each wheel of a pair of steerable wheels, and also having a control cylinder for one of the power...
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3672628 |
CONTROLLER FOR A BACK SEATED VALVE
A hydraulic controller for a back seated steam valve wherein the controller comprises a pair of axially aligned hydraulic cylinders disposed to operate in opposite directions, one of the cylinders...
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3668975 |
DECELERATOR MEANS FOR EXPANSIBLE CHAMBER DEVICE
A decelerator means for a hydraulic motor having a housing, a piston movable therein defining an expansible fluid chamber within said housing, fluid ports permitting the admission or exhaust of...
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3633466 |
SPRING CUSHIONING DEVICE FOR CLUSTERED CYLINDER LIFTS
Spring cushioning devices are provided in each cylinder of a clustered cylinder lift, each device including a single coil-type compression spring operable to cushion its associated cylinder during...
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3495965 |
MECHANICAL CUSHION FOR PISTON TYPE GLASS PRESSING APPARATUS
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RE13512 |
Title is not available
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3388548 |
Rotating and reciprocating tool arrangement
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3368459 |
Fluid pressure motor construction
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