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An enclosure for small animals which is wearable on the front or back of an animate being.
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| Number | Title | Issue Date |
| 7437872 | Object separating apparatus using gas An object separating apparatus uses gas and has a hollow housing with a closed end connected to a first object, and an opened end. An axially movable cylinder is installed at an inner space of the housing and a piston assembly is coupled to the cylinder and connecte... | 10/21/2008 |
| 7363848 | Rotating or pivoting device and connection module for a rotating or pivoting device The invention relates to a rotating or pivoting device (110) comprising a housing (12), at least one working piston (14) which is mounted in the housing and subjected to a pressure medium, and a pivoting part (20) which is rotatably mount... | 04/29/2008 |
| 7316177 | Hydraulic hand pump with locking device A method and apparatus is provided that includes a hand pump having a handle locking mechanism, a counter bored nut, pivoting links, and unloading valve assembly. The unloading valve assembly allows a pump operator to pump a larger volume of hydraulic fluid and/or t... | 01/08/2008 |
| 7299739 | Hydraulic cylinder A fluid pressure cylinder has a piston rod 18 fixed to a piston 26 and projecting outside a cylinder body 23. A lock surface 43 inclining to a radial direction of the piston rod 18 is formed in an engagement member 31 provid... | 11/27/2007 |
| 7240605 | Actuator with a variable run The invention concerns a pneumatic and/or hydraulic actuator. The pneumatic and/or hydraulic actuator is one in which the run of a driving shaft, which is pneumatically operated by a piston, can vary on the basis of the insertion in the body of the actuator or at le... | 07/10/2007 |
| 7216581 | Piston locking actuator A locking actuator may be locked in an extended position. A piston with a first and a second end defines a recess that originates proximate to the first end. A strut is adapted to at least partially nest within the recess and the strut is adapted to hold at least on... | 05/15/2007 |
| 7195224 | Blowout preventer and locking mechanism A blowout preventer having a main body, a ram system with ram apparatus, a movement system with movable shaft apparatus connected to the ram apparatus, the ram apparatus movable from a first open-ram position to a second closed-ram position, the movable shaft appara... | 03/27/2007 |
| 7195197 | Techniques for controlling a fin with unlimited adjustment and no backlash A fin control assembly includes a housing, an arm configured to couple to a fin and to steer the fin relative to the housing, and a locking member disposed within the housing. The locking member is configured to (i) lock the arm in a substantially fixed state to inh... | 03/27/2007 |
| 7125058 | Locking device with solenoid release pin A locking device with a solenoid release actuator includes a housing, a plunger axially slidable within the housing, a biasing member for biasing the plunger in a first direction, one or more locking balls, and the locking balls disposed in an aperture in the housin... | 10/24/2006 |
| 7124861 | Motion control apparatus A brake (10) having application for a linear or rotational motion device includes a housing (120) in which a first piston (140), a wedge (142) and a second piston (144) cooperate to engage a friction facing (136) through a p... | 10/24/2006 |
| 7097011 | Park lock activated by fluid The present invention concerns a parking lock for combination with a service brake actuator for a vehicle, preferably a heavy road vehicle. The service brake actuator comprises a fluid actuated piston having a piston rod. The parking lock surrounds the piston rod of... | 08/29/2006 |
| 7051843 | Friction brake arrangement with energizing braking function In a friction brake arrangement with emergency braking functions for use with a carriage supported on a guide track, with a friction clamping structure including a friction shoe supported in a housing so as to be disposed adjacent the guide track, a spring element i... | 05/30/2006 |
| 6971351 | Valve timing adjusting device A region including an engaging hole is given surface treatment such as partial quench hardening by induction hardening for improving surface hardness of the region. The partial quench hardening by induction hardening provides the region with satisfactory mechanical ... | 12/06/2005 |
| 6969042 | Blowout preventer and ram actuator A blowout preventer with a main body; a base releasably connected to the main body, the base having a base space therein, the base having a ram shaft opening; a primary piston movably disposed within the base space; a ram shaft to which the primary piston is connect... | 11/29/2005 |
| 6910558 | Self-locking mechanism for a telescoping column A telescoping column includes a first tube and a second tube arranged in telescoping fashion. A locking structure is disposed between a surface formed on the first tube and a ramp disposed on the second tube. The locking structure contacts the ramp at a first elonga... | 06/28/2005 |
| 6832540 | Locking hydraulic actuator A locking hydraulic actuator has a cylinder and a main piston that is movable from an extend position to a retract position by a hydraulic circuit. The actuator has a locking mechanism that includes a lock piston that slides within a lock piston bore of the main pis... | 12/21/2004 |
| 6782799 | Double acting hydraulic cylinder with axial locking device A double-acting hydraulic actuator with an axial locking device has a cylinder chamber defined by two coaxial cylindrical walls of different diameters interconnected by a frustoconical wall. A guide piston sliding in the smaller-diameter cylindrical wall is fixed to... | 08/31/2004 |
| 6631670 | Device and a unit for locking the sliding of the rod of a linear actuator The locking device comprises a plurality of rolling wedging members consisting of diablo-shaped rollers with two cylindrical end portions and an intermediate portion which is concave according to a generatrix in the form of an arc of circle whose radius c... | 10/14/2003 |
| 6615703 | Hydraulic or pneumatic cylinder A pneumatic or hydraulic cylinder (10) having a bore (12) cooperating with a piston (18). Extending from the piston (18) is a piston rod (37). There is further provided a pawl (26) which is engageable with the piston (18) to retain the piston (18) at a de... | 09/09/2003 |
| 6594993 | Hydraulic driving device and system for a vehicle Hydraulic driving device with a hydraulic motor and a bearing arrangement in which the output shaft of the hydraulic motor is supported. Typically, the bearing arrangement is axially supported on the output shaft between a shoulder of the output shaft and... | 07/22/2003 |
| 6412473 | Rate shaped fluid driven piston assembly and fuel injector using same A hydraulically actuated fuel injector includes an injector body that defines an actuation fluid passage, a low pressure area and a nozzle outlet. A piston having a hydraulic surface is positioned in the injector body and moveable a stroke distance betwee... | 07/02/2002 |
| 6186047 | Device for locking the sliding of the rod of a linear actuator and a linear actuator provided with the device The locking device comprises resilient repulsion means (58) which react between a fixed body (16) and one or more rolling members (42) and which tend to urge these members in the direction of wedging between two wedging surfaces (34, 36) associated with t... | 02/13/2001 |
| 6164186 | Jack for bolting and unbolting A jack (1) has a jack body (2) with a peripheral wall (3) which forms a jack chamber (4). Two pistons (5a, 5b) attached to piston rods (6) are movably mounted in the jack chamber. The jack (1) has an automatic locking section (MV) to lock the two pistons ... | 12/26/2000 |
| 6071096 | Pneumatic cylinder, in particular for actuating fume extraction valves in fume and heat extraction plants A pneumatic cylinder for actuating fume extraction valves in fume and heat extraction plants has a piston (2) that may be actuated from both sides with at least one working surface and that can be made to slide by pressurised air in a cylinder (1) with at... | 06/06/2000 |
| 6004092 | Swinging arm loading refuse collection vehicle arm restraint A side loading refuse collection vehicle has a lift arm extendible and rotatable relative to the vehicle, the lift arm carrying grabber apparatus at an end for grasping a refuse container which may be lifted and dumped into the top of the body of the vehi... | 12/21/1999 |
| 5810119 | Jack arrestor A safety brake device (1) for hydraulic elevators acts by arresting the axial movement of the elevator ram (3) with respect to the main hydraulic cylinder (5) of the elevator. The safety brake (1) utilizes two lever acting brake arms (27) lined with an ac... | 09/22/1998 |
| 5791230 | Rod clamping device for a linear fluid actuator A rod clamp device having a clamp sleeve and a cam member spring biased axially in a direction to actuate the clamp sleeve to a clamp condition, and a clamp release piston that is operable through a mechanical force amplifying mechanism to move the cam me... | 08/11/1998 |
| 5761984 | Braking device for a fluid power actuator A fluid pressure operated braking device for a piston rod. The braking device includes a clamp sleeve and a cam member spring biased axially in a direction to actuate the clamp sleeve to a clamp condition, and a fluid pressure operator that provides a hyd... | 06/09/1998 |
| 5697286 | Fluid pressure unit with brake means A motor or pump includes a stator and a rotor supported for rotation with respect to the stator by a bearing arrangement. The rotor has a cylinder block thereon having radial cylinder bores equipped with radially reciprocable pistons. Rollers on the pisto... | 12/16/1997 |
| 5558408 | Vehicle brake system Disclosed is an air-applied, mechanically-held brake assembly and a vehicle air brake system employing the same. The air brake system typically includes a push-pull or hand-brake valve for park and emergency applications, a treadle valve for service appli... | 09/24/1996 |
| 5456160 | Method for reducing seal stiction in a hydraulic cylinder A method of reducing seal stiction in a hydraulic cylinder is provided comprising the steps of providing a hydraulic cylinder, having a housing, a piston, and a seal, providing apparatus for rotating the seal about the piston, and rotating the seal about ... | 10/10/1995 |
| 5406879 | Actuator lock An actuator lock is provided to prevent movement of an actuator until the actuator lock is released. A first member of the lock is movable in response to fluid pressure within a chamber to move from a locked position to an unlocked position allowing the a... | 04/18/1995 |
| 5402866 | Brake assembly with new locking mechanism Disclosed is an air-applied, mechanically-held brake assembly and a vehicle air brake system employing the same. The brake assembly applies and releases the brake upon the supply and exhaust, respectively, of air from a first pressure chamber. The brake a... | 04/04/1995 |
| 5277101 | Rodless cylinder apparatus The rodless cylinder includes at least a cylinder tube and a piston, but it has no piston rod that is indispensable in the conventional cylinders. The article carrier is connected via the piston yoke to the piston and movable with parts and jigs placed th... | 01/11/1994 |
| 5253736 | Railway brake actuator A railway brake actuator which provides both service and parking braking comprises a cylinder having an operating cavity. A piston assembly in the operating cavity has a stepped bore forming second and third cavities and is extended by hydraulic pressure ... | 10/19/1993 |
| 5205203 | Hydraulic cylinder-piston unit provided with a mechanical safety device, particularly for pantograph type motor vehicle lifts A hydraulic jack particularly intended for use in automobile lifts includes a safety stop mechanism including a fixed toothed rod and a piston-supported pawl mechanism which includes one or more stop members. Each of the stop members can be retracted, to ... | 04/27/1993 |
| 5184465 | Landing gear drag strut actuator having self-contained pressure charge for emergency use An actuator for raising and lowering aircraft landing gear in accordance with the extended and retracted state of the actuator includes a cylindrical casing, a piston assembly slidable along the axis of the casing, a fluid pressure source, a sealed chambe... | 02/09/1993 |
| 5176227 | Railway service and parking brake actuator A brake actuator for a railway brake which provides both service and parking braking comprises a cylinder having an operating cavity. A piston assembly extends into the operating cavity and has a stepped bore including second and smaller third cavities. A... | 01/05/1993 |
| 5097748 | Hydraulic locking cylinder with throttled supply of fluid during unlocking stage A hydraulic cylinder that locks into position has a housing (1) with at least one pressure connection (7) and a piston (3) and rod (6) that travel tight in an out of the housing. The locking mechanism comprises a piston (11) that rests against a spring (3... | 03/24/1992 |
| 5095808 | Sequential remote control plug release system A sequential remote control plug release system allows actuation of plug release plungers and manifold valves associated with a cementing plug container only in a predetermined sequence. With regard to a plug container having two plugs, and thus two plug ... | 03/17/1992 |
