An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6923807 | Helical device and method for aiding the ablation and assessment of tissue A helical needle is attached to a surgical probe to aid in the insertion of the probe into a tissue mass. The tip of the helical needle penetrates the tissue mass in advance of the tip of the probe. The probe is rotated to push the helical shaft of the needle into t... | 08/02/2005 |
| 5461745 | Automatic vehicle washing apparatus A motor vehicle washing apparatus having a brush assembly and curtain assembly for prolonging the life of the brush assembly and the curtain assembly by adjusting the length of elements of each when wear occurs. The brush assembly includes a plurality of ... | 10/31/1995 |
| 5456159 | Motion converter with pinion sector/rack interface A device for translating rotary to linear motion and vice versa includes a reciprocating linearly moving shuttle with a central aperture. The aperture has a pair of opposing conjugate bearings protruding towards the center and which capture therebetween a... | 10/10/1995 |
| 5445039 | Conjugate drive mechanism A scotch yoke type motion converter employs a shuttle movable in a reciprocating fashion along a rectilinear path and having an aperture therein. One side of the aperture is defined by a first trackable profile and an opposite side of the aperture is defi... | 08/29/1995 |
| 5440770 | Infant seat with opposite supporting surfaces An infant support includes a generally wedge-shaped body portion which is adapted to alternatively support an infant in an upwardly-facing reclined position or a downwardly-facing inclined position. The body portion includes opposite first and second supp... | 08/15/1995 |
| 5433682 | Infant exerciser and activity center An infant exerciser adapted for use in a substantially stationary location has a combined tray and infant seat which are attached to a base such that the tray and seat can be revolved conjointly in an orbital manner. The seat can also rotate about its own... | 07/18/1995 |
| 5432688 | Plastic niche and grounding assembly therefor A housing for an underwater lighting fixture includes a wet niche formed from plastic and provided with a grounding strap. The grounding strap is attached to the niche by a threaded lug which extends through the strap and an adjacent wall of the niche to ... | 07/11/1995 |
| 5431130 | Internal combustion engine with stroke specialized cylinders A multi-cylinder reciprocating piston internal combustion engine is divided into a working section and a compressor section, with the working section supporting the combustion function and the compressor dedicated solely to infusion of intake charge into ... | 07/11/1995 |
| 5417473 | Chair mechanism providing for an inclination range and inclination stop means A chair mechanism (1) for office chairs comprises a synchronous mechanism with integrated negative inclination. The aim is to achieve all sitting postures occurring during office work, and in particular the correction of injurious continuous sitting. The ... | 05/23/1995 |
| 5417309 | Lubrication system for a conjugate drive mechanism A conjugate drive mechanism of a scotch yoke type motion converter includes a conjugate driver, which is rotatably mounted on a crankpin, and a bearing conjugate, which is mounted on a linearly movable shuttle. The conjugate drive mechanism is lubricated ... | 05/23/1995 |
| 5410770 | Automatic vehicle washing apparatus A motor vehicle washing apparatus having a brush assembly and curtain assembly for prolonging the life of the brush assembly and the curtain assembly by adjusting the length of elements of each when wear occurs. The brush assembly includes a plurality of ... | 05/02/1995 |
| 5386710 | Foot jewelry An article of foot jewelry has at least a portion which is expandable and contractible to an extent which permits some degree of adjustability. The foot jewelry; can be provided with decorative elements, such as beads and the like, which are cushioned so ... | 02/07/1995 |
| 5375566 | Internal combustion engine with improved cycle dynamics A reciprocating piston internal combustion engine has a scotch yoke-type motion translator. The engine is horizontally opposed with each shuttle having a pair of pistons attached at the ends of a pair of oppositely extending arms. A centrally located aper... | 12/27/1994 |
| 5351567 | Motion arrester for a conjugate drive mechanism A conjugate drive mechanism of a scotch yoke type motion converter includes a conjugate driver, which is rotatably mounted on a crankpin, and a bearing conjugate, which is mounted on a linearly movable shuttle. The conjugate driver moves relative to the b... | 10/04/1994 |
| 5351142 | Semi-transparent reflective layer for a phase hologram A phase hologram is embossed in a mylar web having a tin tungsten oxide reflective layer deposited upon. The embossed microtexture produces a hologram that is semi-transparent, thereby allowing the visualization of indicia underlying the hologram.... | 09/27/1994 |
| 5343730 | Turning device for an automatic cross-transfer press The turning device has a guideway (13) which is formed integrally on the tong carrier (3) and in which is guided the roller (16) of an oscillating lever (15). The reciprocating movement of the guideway (13) is transmitted via the oscillating lever (15) to... | 09/06/1994 |
| 5339515 | Apparatus for removing and installing valve-spring retainer assemblies and for testing the tension of springs employed thereby Apparatus and method for removing, installing and/or testing valve-spring retainer assemblies of internal combustion engines and the like employ an existing spark plug opening to mount a tool which is designed to depress a valve spring and thereby disenga... | 08/23/1994 |
| 5331443 | Laser engraved verification hologram and associated methods A method for increasing the authentication effect of a verification hologram to be affixed to a protected document includes laser etching individualized indicia into the reflective layer of each hologram produced en masse on a moving, continuous web. The ... | 07/19/1994 |
| 5317821 | Method for custom-fitting boots by providing attachments thereto or to an inner liner therefor In the custom-fitting of athletic footwear, such as ski boots and hockey skates, which include an outer shell and an inner bladder, a patch is provided between the shell and the bladder at a selected location where there is a poor fit between the shell an... | 06/07/1994 |
| 5302163 | Infant exerciser and activity center An infant exerciser adapted for use in a substantially stationary location has a frame or base and an inboard or outboard infant seat attached to the frame or base such that the seat can be revolved in an orbital manner. The seat can also rotate about its... | 04/12/1994 |
| 5282980 | Method for treatment of waste water sludge A method for treating liquid waste water sludge after its generation and separation from the waste liquid involves forcibly impacting sludge particles and microbial cells against a contact surface to thereby fragment the particles into smaller-sized parti... | 02/01/1994 |
| 5271561 | Rotary jet hydrotherapy device and method An outlet assembly for a water receptacle, such as a swimming pool, spa or the like, includes a pair of interchangeable discharge nozzles, one being a rotary discharge nozzle and the other being a linear discharge nozzle. A user may selectively interchang... | 12/21/1993 |
| 5259256 | Motion converter with pinion sector/rack interface A device for translating rotary to linear motion and vice versa includes a reciprocating linearly moving shuttle with a central aperture. The aperture has a pair of opposing gear racks protruding towards the center and which capture therebetween a pair of... | 11/09/1993 |
| 5257677 | Climbing device for columnar members, such as trees, poles and the like A portable appliance adapted for temporary attachment to a columnar member, such as a tree, pole, or the like, includes a frame which is attached to the columnar member by a tensile member such that the frame is pivotable between an unlocked position, in ... | 11/02/1993 |
| 5241734 | Apparatus and method for removing and installing valve-spring retainer assemblies Apparatus and method for removing and/or installing valve-spring retainer assemblies of internal combustion engines and the like employ an existing spark plug opening to mount a tool which is designed to depress a valve spring and thereby disengage an ass... | 09/07/1993 |
| 5240599 | Apparatus for treatment of waste water sludge A method and apparatus for fragmenting waste water sludge particles to destroy sludge particles and to enhance a dewatering process performed on the sludge. Sludge is passed through a slotted rotor that centrifugally propels the sludge through slots in a ... | 08/31/1993 |
| 5214894 | Wall construction of a non-load-bearing external wall of a building The core of the wall construction is formed by the four layers, fibreboard (1) with inside surface coating (5) of cement, acoustic barrier layer (2) made of flexible, fibrous material, particle insulation layer (3) made of loosely blasted-in wood particle... | 06/01/1993 |
| 5215203 | Baby or child bottle with handles A bottle includes at least two sets of handles, each set being adapted for gripping by an infant or a child. The handles are formed integrally with the bottle by a plurality of elongated, trough-like recesses provided in an outer surface of the bottle and... | 06/01/1993 |
| 5211607 | Baby activity center An infant walker adapted for use in a substantially stationary location has a frame or base and an infant seat attached thereto such that it can be manually or automatically revolved in an orbital manner. The seat can also rotate about its own axis of rot... | 05/18/1993 |
| 5195667 | Tool holder A device for suspending T-shaped tools from a belt, toolbox, wall, or other mount, comprising a flat attachment material and a rotating holder body which secures the tool while allowing the tool to be inserted and removed from different angles. In order t... | 03/23/1993 |
| 5184918 | Recoverable tunnelling machine The tunnelling machine for driving inaccessible tunnels by pressing forward by means of tubes can be moved out again through the tunnel driven by it. For this purpose, an annular outer area (2b) is provided on the extracting tool (2), and one double casin... | 02/09/1993 |
| 5176363 | Lift bar A lift bar for disassembling a structure while preserving the components for reuse includes a handle and a fork-like member connected thereto. Upon the manual depression of the handle, the fork-like member pivots upward to pry a board or a sheet of buildi... | 01/05/1993 |
| 5167058 | Continuous reciprocating tube-stripping apparatus A substantially continuous tube-pulling operation is performed through the use of a plurality of pulling deivces, each of which is designed to partially pull a tube from its associated holder. By operating the pulling devices in a consecutive and repetiti... | 12/01/1992 |
| 5163886 | Exercising and rehabilitation apparatus An exercise and/or rehabilitation apparatus is provided with a stationary frame and a pair of pedals pivotally mounted to the frame. The pedals can be pivoted in an up and down manner which allows an operator to assimilate a walking or jogging motion.... | 11/17/1992 |
| 5158845 | Multi-colored material using rainbow grating A decorative multi-colored material and method of making same using rainbow gratings simultaneously evidence different color patterns which change through the color spectrum. The patterns are formed from separate impressions from different portions of a c... | 10/27/1992 |
| 5156073 | Method and device for drawing wire into a shearing station of a forming press A method and apparatus achieve the intermittent feeding of raw material into a shearing station by exerting a drive torque on draw-in rollers in order to effect their rotation in one arcuate direction and hence the movement of the raw material toward the ... | 10/20/1992 |
| 5156277 | Package for consumer goods susceptible to shock The box-like package made of a thermoformable plastics sheet being of a one-piece, punched blank provided with folding scores. Supporting profiles are molded out inwardly or outwardly from individual regions of the blank by means of thermoforming. These s... | 10/20/1992 |
| 5148732 | Saw unit for a vertical board saw A pivotable support (11) is mounted on the drive shaft of a main sawblade (2). Located at the bottom end of the support (11) is a preslitting sawblade (22) whose drive pinion (14) can be driven via a toothed belt (18) by a drive pinion (9) sitting on the ... | 09/22/1992 |
| 5144888 | Combined table comprising a plurality of individual table surfaces A combined table includes a plurality of individual table surfaces interconnected to form a multi-unit table in which additional table and/or table top elements are coupled to a main table by a plurality of coupling members. Each of the coupling members i... | 09/08/1992 |
| 5135701 | High-speed injection molding apparatus and method Apparatus and method for injecting a shot of flowable material into a mold involve moving a plunger-type injector in a continuous non-decelerating manner past an outlet which leads to the mold. The injector is decelerated, but only after it passes the out... | 08/04/1992 |