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| Number | Title | Issue Date |
| 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 |
| 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 |
| 7191695 | Linear actuator A displacement amount-adjusting mechanism for adjusting the displacement amount of a slide table includes a stopper which faces a cutout formed at a bottom surface of the slide table and which is fixed to an upper surface of a main cylinder body, a first adjuster bo... | 03/20/2007 |
| 7134276 | Cylinder block brake for a hydrostatic drive apparatus A cylinder block brake for a hydrostatic transmission or transaxle is provided. A braking member is located in a housing adjacent to a motor cylinder block and has a first position where it is not engaged to the motor cylinder block and a second, braking position wh... | 11/14/2006 |
| 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 |
| 7001506 | Self-cleaning circulatin system and method The present invention provides a system and method for providing a self-cleaning water circulation system which may be utilized for a fish pond, fountain, or the like. Means for automatically cleaning the pump intake to avoid pump failure due to leaves and debris is... | 02/21/2006 |
| 6912947 | Supporting device The invention relates to a supporting device for supporting substrates in a component placement machine including a housing (1), a piston rod (5) arranged in the housing so as to be movable in its longitudinal direction in the housing (1) by pre... | 07/05/2005 |
| 6832539 | Cylinder lock A cylinder locking device for use in a clamp. The cylinder locking device includes a cylinder member and a first end cap on one end thereof and a second end cap on another end thereof. A piston is arranged within the cylinder member and a piston rod is engaged with ... | 12/21/2004 |
| 6752066 | Device for controlling the oscillation of the arm of a handling equipment of the swingable lever type A handling equipment of the swingable arm type comprises a double acting cylinder within whose chamber a main piston is sealingly mounted, which is slidable owing to the selective delivery of fluid under pressure at opposite zones of the chamber, which is connected ... | 06/22/2004 |
| 6543222 | Braking system for braking a rotor relative to a stator A braking system (S) for braking a rotor (5, 9, 106) relative to a stator (1C, 1'C), said system comprising two series of brake disks (102, 104) secured respectively to the stator and to the rotor and disposed in a disk enclosure (100). The system further... | 04/08/2003 |
| 6484497 | Neutral brake A neutral brake system for use in a hydrostatic transmission to automatically apply a brake when the hydrostatic transmission is shifted to neutral. The neutral brake system includes a hydraulically-released, spring-activated brake mechanism in direct flu... | 11/26/2002 |
| 5689955 | Hydrostatic transaxle having improved brake design A hydrostatic transmission including a fluid pump and fluid motor mounted within a transmission housing, and a brake connected to the motor shaft. The housing includes upper and lower sections. The brake includes rotor and stator plates, and a pin for urg... | 11/25/1997 |
| 5513554 | Lockable telescopic device and use of the same The invention relates to a lockable telescopic device (1) which includes a cylindrical tube (10) and a piston rod (3). The piston rod (3) includes an expandable locking device (60) which, when active, forcibly abuts a part of the inner wall of the tube (1... | 05/07/1996 |
| 5467685 | Rodless pneumatic cylinder having a pair of driven elements A linear actuator, adapted especially for picking up and transporting workpieces, comprises a pneumatic, rodless cylinder having a pair of driven elements mounted on opposite sides of its body. The first driven element is directly connected to the piston ... | 11/21/1995 |
| 5417143 | Lock-out mechanism for empty/load changeover valve A lock-out assembly having a latching mechanism by which means a plunger may be manually depressed and latched in a lock-out position in which a lock pin is pre-set by engagement with an actuator rod of an empty/load valve or the like, so that in response... | 05/23/1995 |
| 5216942 | Piston lock for power cylinders A power cylinder of the type in which the piston may be locked to maintain am associated tool or clamp in a fixed position. A nut is provided in an end wall of the cylinder and the piston rod of the piston passes through the nut. The initial portion of th... | 06/08/1993 |
| 5190263 | Locking mechanism for an actuator A locking mechanism for an actuator prevents the unauthorized operation of the actuator and also permits a viewer to determine whether the actuator is in a locked open, locked closed or unlocked position. The invention utilizes a clear cover guard which i... | 03/02/1993 |
| 5081910 | Locking linear actuator A power cylinder assembly including means to positively lock the piston rod of the assembly in the forward extended position of the cylinder assembly. The locking means includes a pair of cam plates that are moved radially outwardly into locking engagemen... | 01/21/1992 |
| 5020418 | Piston lock for power cylinders A power cylinder of the type in which the piston may be locked to maintain the associated tool or clamp in a fixed position. A pair of guide rods extend in parallel spaced fashion through the bore of the cylinder from end to end of the cylinder and the pi... | 06/04/1991 |
| 4907491 | Extended-travel actuator with clamps on rod and cylinder end for clamping central rod The cylinder has a sealed back wall through which the rod passes. A piston assembly mounted on the rod between the back wall and a cylinder front end-piece contains a fluid-pressure-activated clamp. The front end-piece also has a clamp. By sequenced opera... | 03/13/1990 |
| 4873824 | Master cylinder pressure-retaining vehicular anti-theft brake locking mechanism A brake locking mechanism of the anti-theft type for use with an automobile vehicular brake system having one or more fluid operated brakes, a master cylinder and an actuator for reciprocating a piston in the cylinder to apply and release the brakes. The ... | 10/17/1989 |
| 4565117 | Axial piston motors having a friction brake An axial piston motor is provided having a mechanical friction brake incorporated in the driving flange, thereby maintaining the axial length of the motor the same as motors without a mechanical friction brake.... | 01/21/1986 |
| 4420066 | Cam lock slack adjuster A brake cylinder comprises a brake actuator device having a fluid operable piston and a coaxial adjoining hand brake operable device for axial actuation of a coaxial tubular push rod, there being a slack adjuster for selectively adjusting the retraction o... | 12/13/1983 |
| 4196896 | Pressure release jack The jack of the present invention is novel in having a stem extending from a body which is spring pressed from a base to engage an element which thereafter is locked in position to prevent the element from deflecting under load. A pair of studs and nuts a... | 04/08/1980 |
| 4188860 | Locking mechanism A locking mechanism for hydraulically actuated devices is disclosed herein. The mechanism includes a slotted lock shaft coaxially mounted with respect to a piston assembly, the piston assembly being disposed in a hydraulic cylinder. The lock shaft has end... | 02/19/1980 |
| 4103280 | Device for emitting acoustic waves in a liquid medium This device comprises two movable elements of rigid material tightly interconnected by means of a deformable membrane forming therewith a tight internal enclosure, means for varying abruptly the volume of said enclosure by successively moving the two elem... | 07/25/1978 |
| 4080875 | Vehicle braking means A vehicle braking means is disclosed in which an auxiliary chamber 2 comprises a locking mechanism whose function is to lock together a piston 5 and a piston rod 16. The locking mechanism comprises a spring-loaded guide 19 and locking elements 20 arranged... | 03/28/1978 |
