Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 6997150 | CTA phaser with proportional oil pressure for actuation at engine condition with low cam torsionals A variable camshaft timing phaser for an internal combustion engine having at least one camshaft comprising a plurality of vanes in chambers defined by a housing and a spool valve. The vanes define an advance and retard chamber. At least one of the vanes is cam torq... | 02/14/2006 |
| 6666127 | Artificial muscle A hydraulically actuated artificial muscle for use with orthetic devices, prosthetic devices or as an actuator for other applications in medical or robotic devices. Working fluid is pumped between two expandable fluid-containing cells, which are complimen... | 12/23/2003 |
| 6546840 | Linearly reciprocating pneumatic piston A mechanical pneumatic piston is comprised of an upper cylindrical section and a lower cylindrical section, wherein each section has four linearly elongated, miter-cut staves, an end sleeve, and a slide-guide ring. The mechanical pneumatic piston is furth... | 04/15/2003 |
| 6474214 | Three-position stop type swing actuator A three-position stop type swing actuator has a main piston freely moving in forward and backward directions in an axial direction within a casing, an output shaft placed at a coaxial position with the main piston in such a manner as to be fixed in an axi... | 11/05/2002 |
| 6217260 | Downhole reamer with double acting dual piston cylinder An intelligent multi-functional hydraulic expanding apparatus includes a hydraulic expanding head, an automatic control hydraulic center, and a depth measuring system. The expanding head includes a hydraulic positioning device, an automatic hydraulic revo... | 04/17/2001 |
| 6131480 | Hydraulically-operated micromanipulator apparatus A hydraulically-operated micromanipulator apparatus is disclosed. The micromanipulator apparatus comprises: a micromanipulator fine control unit including an operating-side piston finely movable with respect to an operating-side hydraulic cylinder and fin... | 10/17/2000 |
| 6131937 | Side strut for the lower steering arm of a tractor A side strut (5) for a lower steering arm (1) of a tractor has a single action hydraulic cylinder (9) whose piston (12) includes first attaching means (6) to be connected to the rear of the tractor. The strut (5) also has a telescopic unit (10) and a sett... | 10/17/2000 |
| 6059346 | Device for opening and closing trunk lid A device for opening and closing a trunk lid comprises: a trunk lid opening/closing switch operated between an opening mode and a closing mode; a cylinder having one end rotatably fixed to a body panel; a piston dividing a space within the cylinder into a... | 05/09/2000 |
| 6050153 | Hydraulically-operated micromanipulator apparatus A hydraulically-operated micromanipulator apparatus is disclosed. The micromanipulator apparatus comprises: a micromanipulator fine control unit including an operating-side piston finely movable with respect to an operating-side hydraulic cylinder and fin... | 04/18/2000 |
| 5868035 | Electrohydraulic actuator for controlling a vehicle gearbox of the type having an input barrel This electrohydraulic actuator comprises a pair of hydraulic rams (12, 13) and a rocker (14) integral in terms of rotation with an input shaft (7) of the barrel, the rams are arranged parallel with one another in such a way as to be able to control the ro... | 02/09/1999 |
| 5410946 | Hydraulic actuator A hydraulic actuator including a single cylinder body which defined therein a pressure chamber in which a first piston with a piston rod and a second piston with a piston rod are independently movably inserted, a first working member secured to the first ... | 05/02/1995 |
| 5341725 | Twin piston power cylinder A power cylinder (10) has two pistons (12, 20) slidably mounted within separate cylinders (14, 22) to define inner and outer chambers (16, 18; 24, 26) within each cylinder. One or more rods (28) are coupled between the pistons. The outer chambers (18, 26)... | 08/30/1994 |
| 5199344 | Lock cylinder for backhoe slide frame A lock cylinder for a backhoe slide frame which provides for a positive lock of the slide frame in selected positions is described. The slide frame is supported on two generally horizontal rails that are vertically spaced, and the lock cylinders mount bet... | 04/06/1993 |
| 5188014 | Hydraulic cylinder with pressure transmission The hydraulic cylinder comprises a cylinder jacket (1), a piston-rod guide flange (2), and a cylinder bottom (3). Disposed within the cylinder are a primary piston (4) provided with a piston rod (6) and a secondary piston (11) connected to two plungers (7... | 02/23/1993 |
| 5129311 | Piston assembly with primary and co-centric secondary portions A piston assembly comprising a primary piston and a co-centric secondary piston. The pistons are received within a housing for reciprocating movement therein and relative to each other. The housing and the pistons are arranged for operating pressure to be... | 07/14/1992 |
| 5125326 | Three position actuator having a neutral normal position for shifting a two speed transfer case A three position actuator which is used to position the gear range control lever on a two speed transfer case. Three positions are required to achieve HIGH, LOW and NEUTRAL. Two individual air chambers may be selectively charged with compressed air to mov... | 06/30/1992 |
| 5072651 | Direct drive type rotation dividing table A direct drive type rotation dividing table includes a dividing table mounted on an output shaft of a rotor which is accommodated in a housing together with a stator. A clamp mechanism for maintaining the dividing table at a stopped position includes a cy... | 12/17/1991 |
| 5067323 | Three position actuator arrangement Actuator (14) drives inlet vanes (22) selectively to three positions, using high (58) and low (56) pressure fuel as the driving medium. Each of the three position is externally adjustable (94, 92, 68). An overboard leak path (86) is provided at the most o... | 11/26/1991 |
| 5040452 | Fluid actuators A fluid actuator including a pair of hingedly interconnected members between which is located a fluid expansible element such as a bellows which may be expanded upon application of fluid pressure to cause pivotal movement of the hingedly interconnected me... | 08/20/1991 |
| 5016521 | Self-adjusting servo mechanism for actuating a friction band assembly in a planetary gear set The present invention is directed to a self-adjusting servo mechanism (10). That is, the servo pin (30) presented from the servo mechanism (10) will protract sufficiently to effect operative engagement of a friction band assembly (13) with a rotating memb... | 05/21/1991 |
| 5009068 | Pneumatic cylinder with positioning, braking, and feed rate control A pneumatic piston/cylinder unit comprises primary and secondary pistons operable in first and second cylinder zones respectively. Each of the primary and secondary pistons divide its respective cylinder zone into two chambers, one of the chambers of the ... | 04/23/1991 |
| 4991493 | Cylinder with two concentric pistons actuated by a pressure medium and extending to three times the length of the cylinder The invention concerns a cylinder-piston combination actuated by a pressure medium, comprising an outstretched cylinder space (1) and a two-part piston assembly (3, 8) movable in opposite directions in the longitudinal direction of the cylinder space (1).... | 02/12/1991 |
| 4811963 | Automatic indexing chuck for angular step-by-step movement of jaws An automatic indexing chuck comprises a dividing pivot separately and in succession, operated by a dividing shaft and a locking sleeve. The dividing shaft is slideably and sealingly accommodated in a cavity of the locking sleeve which has retention planes... | 03/14/1989 |
| 4802449 | "O"-Type engine construction This invention relates to an internal combustion engine comprising a combustion chamber having at least two rigidly fixed inner wall surfaces and at least three movable inner wall surfaces reciprocally mounted and adapted to reciprocate from a first posit... | 02/07/1989 |
| 4796514 | Rotary/linear convertor A rotary/linear convertor which comprises a first member may be in the form of a piston (14, 15, 16, 17, 114, 115, 116, 117) and a guide which is preferably in the form of a cylinder (12, 112) the first member being arranged for linear movement within or ... | 01/10/1989 |
| 4756237 | Device for converting energy of fluid medium into mechanical work of working member According to the invention, the device comprises a housing (1), two chambers (2, 3) interconnected through a pipeline (4) and disposed in the housing opposite to each other. Each chamber (2 or 3) has a piston made in the form of an elastic sleeve (10 and ... | 07/12/1988 |
| 4679491 | Reaction mechanism for tandem brake booster A reaction mechanism (462) that is carried on a disc (80) of a wall (70) to provide a control mechanism (81) with an indication of the output force being supplied to a push rod (132) through the combined outputs of wall (70) and wall (18) which move in op... | 07/14/1987 |
| 4678407 | Multi-tandem free piston machine A free piston machine comprising a mounting, an inner movable mechanism comprising a central cross-member and guided in translation so as to be able to move with an alternating motion along the axis of the mounting and an outer movable mechanism comprisin... | 07/07/1987 |
| 4672883 | Reaction mechanism for brake booster A reaction mechanism for use in a vacuum brake booster (10). A lever (86) transfers a reaction force from a first plunger (64) into a second plunger (110) to provide an operator with an indication of the output force being produced in response to an input... | 06/16/1987 |
| 4651627 | Fluid-pressure operated actuators A fluid-pressure operated actuator comprises a housing, at least one piston reciprocable in the housing, a rotatable output shaft having a portion thereof within the housing, means operatively connecting the piston and the output shaft, and stop means mou... | 03/24/1987 |
| 4651690 | Collapsible wall engine This invention relates to an internal combustion engine comprising: a combustion chamber having at least one rigidly fixed inner wall surface and at least two movable inner wall surfaces reciprocally mounted and adapted to reciprocate from a first positio... | 03/24/1987 |
| 4641793 | Thread winding machine and method of performing automatic changeover of winding of a thread The thread winding machine comprises a rotatable chuck having a thread catching device adjacent to a location for a bobbin tube upon the chuck. A thread guide engages the thread and moves it axially of the chuck into the catching device at a first speed a... | 02/10/1987 |
| 4625837 | Holding brake for manipulator A brake effective between a rotating part and a non-rotating part has a substantially nondeformable brake disk secured to one of the parts, centered on an axis, and having a pair of axially oppositely directed brake-disk faces. A housing is secured to the... | 12/02/1986 |
| 4576004 | Braking device with oppositely movable diaphragms A brake system includes a brake booster coupled to a front wheel brake cylinder. The brake booster substantially defines a pair of rear wheel brake cylinders separate from the front wheel brake cylinder so that a pair of diaphragms are separated during br... | 03/18/1986 |
| 4553471 | Wheel cylinder assembly with proportioner A wheel cylinder assembly has telescoping brake actuating pistons with a brake pressure proportioner in the larger actuating piston to proportion brake actuating pressure.... | 11/19/1985 |
| 4548123 | Oscillator An oscillator is proposed which comprises a pair of cylinders having a common, circular-cylindrical outer wall (100) and two sealingly guided pistons (120, 122) each having one piston rod (121, 123), which are likewise guided in a sealing manner to the ou... | 10/22/1985 |
| 4538506 | Cylinder with two-step movement In a cylinder with two-step movement there is in a housing (7) a first piston (6) which slides in contact with the inside of the housing. A second piston (10), which supports a piston rod (11), which moves sealingly through a first end-piece (8) also slid... | 09/03/1985 |
| 4537293 | Hydraulic cylinder assemblies A drum brake hydraulic wheel cylinder assembly comprises a pair of piston assemblies and an abutment member. The piston assemblies are of the kind comprising an adjustable variable length tappet assembly having interengaged screw-threaded components. To e... | 08/27/1985 |
| 4497175 | Hydraulic master cylinder A hydraulic master cylinder has pistons displaceable along the pivot axis of a brake pedal to apply the vehicle brakes. Motion between the pedal and the pistons is transmitted by balls located in a respective arcuate track formed partly in the pedal and p... | 02/05/1985 |
| 4463662 | Compact rotary power cylinder A compact rotary power cylinder including a pair of pistons fitted in a cylinder housing, separating the housing into a first chamber and a pair of second chambers, so as to be reciprocally movable when a pressure impact is supplied selectively to the fir... | 08/07/1984 |
