Bizarre Patents
A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 7431051 | Sewage system for vehicles A sewage system for vehicles that includes a waste hose that is extendable and retractable. ... | 10/07/2008 |
| 7370568 | Method and apparatus for angularly positioning a shaker separator bed An apparatus for angularly positioning a shaker bed, including a discharge end, includes an air source providing pressurized air, an hydraulic tank in selective communication with the air source and containing a quantity of fluid, at least one bellow in selective fl... | 05/13/2008 |
| 7284970 | Fluid apparatus having a pump and an accumulator A pump liquid chamber (9) is formed inside a pump bellows (7). A suction port (18) and a discharge port (19) are formed in a wall face (4a) facing the liquid chamber (9). The suction port (18) communicates with... | 10/23/2007 |
| 7086322 | Fluidic device In a fluidic drive for disposition between two components which are movable relative to each other comprising a hollow body with a duct for supplying fluid to, and discharging it from, the hollow body wherein the hollow body consists at least partially of a bellows ... | 08/08/2006 |
| 7059578 | Diaphragm and hydraulically-operated valve using same The present invention relates to fluid control valves. The invention provides an improved diaphragm useful for a large hydraulically-operated valve or pressure regulating valve of the type used in pipelines to transport water, oil, gas, acids, alkalis and other flui... | 06/13/2006 |
| 6945761 | Fluid apparatus having downwardly inclined lower lamella portion of a bellows A bellows that is extendingly and contractingly deformable in the axial direction is placed in a pump body and forms a liquid chamber inside the bellows. A suction portion and a discharge portion are formed in an inner bottom face of the pump body facing the liquid ... | 09/20/2005 |
| 6685449 | Fluid apparatus including gravity induced check valves and downwardly inclined lower lamella portion of a bellows A bellows that is extendingly and contractingly deformable in the axial direction is placed in a pump body, and a liquid chamber is formed inside the bellows. A suction port and a discharge port are formed in an inner bottom face of the pump body facing t... | 02/03/2004 |
| 6612818 | Bellows type pump or accumulator It is an object of the invention to, even in the case where liquid containing a sedimenting material such as slurry is used, prevent sedimenting and aggregation from occurring in a pump. As means for attaining the object, a bellows 7 that is extendingly a... | 09/02/2003 |
| 6607009 | Sewage system for vehicles A sewage system for vehicles that includes a waste hose that is extendable and retractable.... | 08/19/2003 |
| 6572347 | Fluid apparatus such as a pump or an accumulator The invention provides a fluid apparatus in which two or more kinds of chemical liquids can be rapidly stirred and mixed in a pump to a uniform concentration. A barrier membrane such as a bellows or a diaphragm that is reciprocally moved in the axial dire... | 06/03/2003 |
| 6547541 | Bellows type pump or accumulator It is an object of the invention to, even in the case where liquid containing a sedimenting material such as slurry is used, prevent sedimenting and aggregation from occurring in a pump. As means for attaining the object, a bellows 7 that is extendingly a... | 04/15/2003 |
| 6484601 | Bellows actuation device, specially for robotic manipulator, and method to operate said device An actuation device uses, for the active element, a flexible bellows operated by a pressurized fluid (usually, but not necessarily, at a pressure higher than the ambient one). The bellows is housed, for the most part of its length, inside a cylindrical ca... | 11/26/2002 |
| 6435849 | Fluid pump A pump (10) comprises a pair of bladders (28,30) attached to respective opposite sides of a flexure plate (32) for pumping fluid by alternately compressing and expanding the bladders. Each bladder has at least one input connector (22, 34) with a one-way v... | 08/20/2002 |
| 6361286 | Fuel pump The drive part for converting the revolution movement to the wobble movement is composed of the shaft for transmitting the drive force from outside, the swash plate rotated by the shaft and the wobble plate for converting the revolution movement of the sw... | 03/26/2002 |
| 6298747 | Cushioned pedal A foot pedal (12, 42) for controlling operation of a vehicle is supported for movement relative to the vehicle. A cushion (22, 60), inflatable by inflation fluid, is connected with and, when inflated, extends from the pedal (12, 42).... | 10/09/2001 |
| 6189433 | Pneumatically driven bellows pump A pneumatically driven bellows pump includes a bellows that is reciprocable by a driving force effected by air. The bellows has an integral form of a bellows body, an expansion portion and a mounting portion. The mounting portion includes a threaded membe... | 02/20/2001 |
| 6054529 | Blends of and methods of blending EVOH polymers and ethylene based polymers having improved environmental stress cracking or environmental fatigue resistance, and products therefrom A blend composition having improved environmental stress cracking resistance or environmental fatigue resistance, including an ethylene vinyl alcohol polymer and a polymer of ethylene with at least one selected from the group consisting of alpha olefin ha... | 04/25/2000 |
| 5992900 | Pressure actuated pipe swivel joint A packless swivel joint capable of rotation without the necessity for a mechanical drive includes a hollow tubular member provided with helical corrugations of tight pitch and a corrugation pitch to corrugation with ratio of between two to one to three to... | 11/30/1999 |
| 5983738 | Eccentric sealed rotary drive device, particularly for a positive displacement pump An airtight rotating driving device with eccentricity, especially for volumetric pump, the device including a bent shaft (1) presenting an input axis (5) and an output axis (10) parallel and off-centered in such a way as to carry out an orbital circular m... | 11/16/1999 |
| 5950676 | Expansible bellows and pulsator device including same An expansible bellows, includes a pair of end plates attached together and sealed around their peripheries such that their inner faces confront each other to define between them an expansible chamber for containing a fluid. One end plate is formed with an... | 09/14/1999 |
| 5697285 | Actuators for simulating muscle activity in robotics An apparatus generates power at micro-scale dimensions that is sufficient to simulate the muscle activity required by the joints of robotic fingers. The apparatus includes a bellows device for generating a motion stimulus in response to pressure changes w... | 12/16/1997 |
| 5690165 | Ventilation device for a space zone The invention relates to a ventilation device. Provision is made that the air propulsion plant (20) conveys at least a portion of the air in an air circulating mode by means of at least one variable volume chamber (6) in a pulsating manner at a very low f... | 11/25/1997 |
| 5568761 | Pneumatic Jack Pneumatic jack of the type comprising a rigid body (1) joined to the outer edge of a deformable membrane (2) so as to delimit with the latter a chamber of variable volume capable of being subjected to either atmospheric pressure of a negative pressure, vi... | 10/29/1996 |
| 5551849 | Medication delivery device and method of construction A medication delivery device having a reduced weight due to the configuration of the end terminal of the pleated bellows reservoir. The end terminal includes an indented portion which is sized such that when the reservoir is in the compressed/empty positi... | 09/03/1996 |
| 5431015 | Flexible bellows actuation system A closed loop fully self-contained actuation system for converting a mechanical input motion into a mechanical output motion, which actuates a device such as a flight control surface on an aircraft, comprises an input actuator including a first fluid pres... | 07/11/1995 |
| 5425304 | Bellows actuator for condition responsive control device and method of making the same A condition responsive control device comprising a case, a controller carried by the case, a linkage system supported by the case and coupled to the controller, and a condition responsive linkage actuator. The actuator comprises a convoluted bellows havin... | 06/20/1995 |
| 5421241 | Gas lift bellows construction and process for manufacture thereof A bellows construction is provided which defines multiple convolutions along the length thereof and having the ends of the bellows connected to respective fixed and moveable components by means of high temperature solder or weld metal. To protect the bell... | 06/06/1995 |
| 5397157 | Bellows with screw thread folds and lug and slot end connectors A bellows that is affixable by way of a connecting sleeve to a machine part, and is made of polymer material and has folds formed, at least in one partial area, in the shape of a screw thread. The connecting sleeve is provided with at least two retaining ... | 03/14/1995 |
| 5377950 | Platform mountings A platform is mounted by bellows, at least one for each degree of freedom (DOF) of the platform. The bellows may provide either an active or a passive mounting for the platform. By arranging a suitable number of such bellows in supporting relationship a p... | 01/03/1995 |
| 5345857 | Thermoplastic bellows and method of forming the same A bellows for use in fluid control devices includes a head, a shoulder, a blind hole extending from an opening in the shoulder to the head, and a hollow compressible neck between the head and the shoulder, through which the blind hole extends. The neck in... | 09/13/1994 |
| 5317955 | Bellows with annular volume fillers In a flexible bellows used to implement some change of volume, material is added inside of the convolution walls to reduce the clearance volume associated with the fully compressed mode. For gas compression applications, this combination of bellows walls ... | 06/07/1994 |
| 5317952 | Tentacle-like manipulators with adjustable tension lines A tentacle-like manipulator has a resiliently longitudinally extensible, laterally bendable elongate member, e.g. an inflatable bellows or a helical compression spring-like member, with an end effector mounting on one end thereof. Tendon-like tension memb... | 06/07/1994 |
| 5287700 | Flexible bellows actuation system A closed loop fully self-contained actuation system for converting a mechanical input motion into a mechanical output motion, which actuates a device such as a flight control surface on an aircraft, comprises an input actuator including a first fluid pres... | 02/22/1994 |
| 5261317 | Bellows with dirt collecting recesses A welded bellows is formed by welding together a stack of annular elements such that spacer rings are located between adjacent elements at the inner and outer diameters and are the locations for the welds. The spacer rings eliminate very small clearances/... | 11/16/1993 |
| 5261319 | Bellows with curved waves having points of contact The bellows comprise identical waves, having sidewalls in which the elastic deformation of the bellows is located and which have a general curved form in the same axial direction. The bellows can thus be put into a state of elastic axial contraction just ... | 11/16/1993 |
| 5251539 | Bellows pump A bellows pump comprises a body, a movable supporting member supported in the body movably, a bellows fixed between the body and the movable supporting member, peak portions of the bellows, and a driving means for driving the movable supporting member, wh... | 10/12/1993 |
| 5251538 | Prehensile apparatus The present invention relates to an apparatus for handling a workpiece comprising a vessel that is longitudinally extensible and pressurizable, and a nonextensible and laterally flexible member on the vessel. The member constrains one side of the vessel t... | 10/12/1993 |
| 5235897 | Brake booster An improvement of a brake booster is provided which is also provided with the function to serve as an automatic braking unit. A front bead of bellows disposed in a constant pressure chamber is supported by and urged against the wall surface of a front she... | 08/17/1993 |
| 5230276 | Fluid-driven actuator including an inflatable sac A fluid-driven actuator including a barrier having narrow openings, an inflatable sac having two portions, a first portion including working surface external to the barrier means, and a second portion compactly folded behind the barrier means, and a movab... | 07/27/1993 |
| 5195878 | Air-operated high-temperature corrosive liquid pump A liquid pump is disclosed having a center block containing inlets and outlets for liquid to be pumped and air to operate the pump with associated valves for liquid and air. A pair of opposed cylinders are provided on opposite sides of the center block an... | 03/23/1993 |
