Bizarre Patents
A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
PatentStorm News
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 |
| 8157021 | Chisel adapter A chisel adapter has both ends connected with a tool head and a drive tool, respectively, and comprises: a first sleeve, a slide bushing, a first fastener, an abutting member, a second sleeve, a first rod, and a second rod. The chisel adapter is convenient to use si... | 04/17/2012 |
| 8051920 | Impact drill An impact drill includes a housing having an accommodation chamber and a through hole extending from the accommodation chamber to the outside space, a driving mechanism mounted in the accommodation chamber and having a transmission shaft positioned in the through ho... | 11/08/2011 |
| 7900713 | Main shaft locking mechanism A main shaft locking mechanism includes a fixing ring, a main shaft and detents. The main shaft includes an equilateral portion that has an equilateral cross section. A number of the corners of the equilateral portion is equal to that of the detents. The detent has ... | 03/08/2011 |
| 7874378 | Vibratory and impact connector for a power tool A vibratory and impact connector for a power tool is provided with a spring, a first drive rod, a drive ring and a second drive rod which are sequentially received in an outer cylinder. The first drive rod is inserted through the spring and extended out of the outer... | 01/25/2011 |
| 7597155 | Tool fitting, adapter and system with a tool fitting and an adapter A tool fitting that is provided to accommodate a rotary hammer bit and/or a chisel bit (10) and an adapter (12). The tool fitting has centering elements (14, 16) for at least reducing the mobility of the adapter (12) when mounted i... | 10/06/2009 |
| 7588093 | Impact mechanism An impact mechanism comprises a drive motor engaging member and a tool bit retaining member rotatably inter-connected therewith. The tool bit retaining member has a main body portion, an anvil portion securely attached thereto for co-rotation therewith, and a tool b... | 09/15/2009 |
| 7440268 | Computer case A computer case includes a primary frame body formed from a plurality of primary supports, a cover case mounted on the outside of the primary frame body, and a power supply coupled to the rear area of the primary frame body. The computer case preferably also include... | 10/21/2008 |
| 7438139 | Tool retention apparatus and method A tool assembly (10), for example a hydraulic or pneumatic hammer assembly, includes a housing (11) defining a chamber (16), a removable reciprocating work tool (20) arranged in the chamber, and a tool retention member (80) having ... | 10/21/2008 |
| 7413028 | Ramming device to be assigned to a rock breaker The ramming device comprises a ramming element to be assigned to the end of a rock breaker. The inventive device receives the shocks generated by the rock breaker and transmits them to fragments to be compacted. The ramming device also has a frame comprising: positi... | 08/19/2008 |
| 7413025 | Torque tool A torque tool comprises a torque converter, a power tool for actuating the converter and an attachment adapter, interposed between the torque converter and the power tool, for coaxially and firmly interconnecting the former to the latter. The power tool, having its ... | 08/19/2008 |
| 7380612 | Electric power tool An electric power tool is provided which prevents malfunction with excellent operability even when one operation mode among various modes is selectable. In a gear case of a housing, there are provided a clutch switching groove which engages with a connecting project... | 06/03/2008 |
| 7367434 | Electric power clamping apparatus In an electric power clamping apparatus that locks a clamping arm when it is not driven by an electric motor attached with the a brake mechanism, manual operation of the clamping arm is facilitated. In an electric power clamping apparatus for transmitting an output ... | 05/06/2008 |
| 7360311 | Drive mechanism for power tool A drive mechanism for a power tool having a housing, a motor, and an output shaft moving in a reciprocating motion. The drive mechanism comprises a gear plate (34) adapted to rotate about a first axis (Z-Z) and having a plurality of elongate first teeth (3... | 04/22/2008 |
| 7360606 | Hand machine tool with a removeable tool holder A hand power tool has a striking element via which a tool (10) in a tool holder (12) can be driven in striking fashion, which the tool holder can be detachably secured—via its body (14)—to a drive part (16) via at least one locking el... | 04/22/2008 |
| 7331404 | Lubrication system for impact wrenches A lubrication apparatus, system and method for a tool is disclosed. The tool includes a rotating impact assembly and the lubrication apparatus, system and method directs lubricant from a radially outward position to a radially inward position in the impact assembly.... | 02/19/2008 |
| 7331584 | Chuck with nutating gear reduction A tool chuck may include a chuck body that supports chuck jaws. The chuck body may define a longitudinal axis. A driven gear may be mounted for rotation on the chuck body. The rotational axis of the driven gear may be parallel to the longitudinal axis of the chuck b... | 02/19/2008 |
| 7328884 | Motor drive for a camper jack A motor drive for camper jacks or screw jacks that rapidly operates the screw jack between a retracted position and an extended no load position. A manual operator then operates the screw jack between the extended no load position and an extended loaded position. Th... | 02/12/2008 |
| 7303364 | Switch assembly An apparatus for providing convenient control of a power tool electrical system. A switch assembly includes a first actuator and a second actuator, which is disposed remotely from the switch and first actuator. The second actuator is connected via a coupling device,... | 12/04/2007 |
| 7258349 | Hand power tool A hand power tool selected from the group consisting of a drill hammer and an impact hammer has an exchangeable tool holder, a guide pipe which receives the tool holder at its free end, a locking device arranged on the guide pipe and operative manually for fixing th... | 08/21/2007 |
| 7246755 | Power sprayer The present invention is a dispenser adapted to be coupled to a fluid container. The dispenser comprises a dispensing head, an energy source, and a fluid pathway. The dispensing head includes a fluid pump, a motor adapted to power the pump, a trigger adapted to cont... | 07/24/2007 |
| 7228917 | Remote trigger actuating mechanism for power tool A new and improved remote trigger actuating mechanism for a power tool comprises an elongated handle or pole which is provided with a handgrip upon a rear end portion, while a mounting bracket, into which a forward end portion of the elongated handle or pole is fixe... | 06/12/2007 |
| 7222862 | Tool holder A tool holder for a power tool, in particular a drilling and/or hammering tool comprising a manually actuable sleeve (40) wherein components of the tool holder are held within the sleeve by a snap ring (100) which snap ring is fitted within the sleeve.... | 05/29/2007 |
| 7165920 | System for attaching accessories to a rotary hand tool A system for attaching an accessory attachment to a rotary hand tool of the type having a body with a generally cylindrical nose end portion through which an output shaft passes. The preferred embodiment of the system has an attachment that has an attaching end whic... | 01/23/2007 |
| 7137457 | Hand-held machine tool A hand power tool, in particular a drill hammer or jackhammer, is disclosed, which has a guide tube (11), a tool holder (24) that can be attached interchangeably to the guide tube (11), and a locking device (23) that locks the tool holder... | 11/21/2006 |
| 7134508 | Rotary to reciprocating motion conversion attachment for a power rotary hand tool A preferred embodiment of a rotary tool reciprocating motion conversion attachment for a rotary power hand tool is described which is configured to be attached to a nose portion of the hand tool housing. The attachment has a rotary drive train in a housing that is c... | 11/14/2006 |
| 7131205 | Electric powered rotary saw An electric powered rotary saw for cutting medical cast or the like includes a cylindrical housing, a removable longitudinally extending mounting member and a rotary circular saw blade disposed at one end of the mounting member. The saw blade is fixed to a shaft for... | 11/07/2006 |
| 7124459 | Method and apparatus for hanging lights and other fixtures A drill bit is connected to a drill in a simple and rapid manner and used to drill a hole in a backing which may be of wood, plastic or other material in which threads can readily be formed. A threaded insert which has a slightly greater diameter than the hole is th... | 10/24/2006 |
| 7100705 | Flexible power tool motor pack and method of making the same A power tool motor pack that includes common components adapted to couple to a first component customized for a first power tool application and to couple to a second component customized for a second power tool application. When the motor pack is used in the first ... | 09/05/2006 |
| 7096972 | Hammer drill attachment Power tools of the type under consideration include hammer drills, for example, which are electric or battery powered and includes two modes of operation: a rotation mode and a rotation-hammer mode. A manually operable selector lever enables the hammer drill to be s... | 08/29/2006 |
| 7096974 | Handle for a hand-held power tool A hand-held power tool including a tool spindle (12) having a motor (6) for driving the tool spindle (12), a handle (18) having a forwardly inclined position in which the handle (18), starting from the spindle axis (W) is inclined,... | 08/29/2006 |
| 7083003 | Power tool with detachable drive end A rotary tool includes a housing structure with a plurality of apertures therein, drive mechanism disposed within the housing structure, a detachable drive end mechanism coupled to the drive mechanism, and a retaining structure received by the apertures. The drive m... | 08/01/2006 |
| 7066692 | Dual chuck electrical hand drill A drill comprising: a power head having a first chuck positioned on a first end and a second chuck positioned on an opposite second end of the power head; a handle attached to the power head, the handle having a trigger switch for controlling a drive motor coupled t... | 06/27/2006 |
| 7063170 | Flexible power tool motor pack and method of making the same A power tool motor pack that includes common components adapted to couple to a first component customized for a first power tool application and to couple to a second component customized for a second power tool application. When the motor pack is used in the first ... | 06/20/2006 |
| 7063173 | Spindle unit with switchable gear, and method for using the spindle unit A system and a method are described that facilitate gear switching of a motor-driven spindle. A spindle head shaft is driven by a drive shaft via a gear mechanism in a first gear position. The drive shaft, including a rotor, can be switched from the first gear posit... | 06/20/2006 |
| 7036211 | Percussive power tool pulling device A pulling tool comprises an air-powered internal anvil and hammer. The pulling tool is attached to the object to be removed. The hammer is urged by pressurized air to repeatedly strike the anvil, which applies a percussive force to the object, progressively removing... | 05/02/2006 |
| 7034240 | Controlling apparatus for electric tool An electric tool includes a power supply, a controlling apparatus and a two-way motor. The motor includes first and second leads. The controlling apparatus includes a first conductive element connected with the anode of the power supply, a second conductive element ... | 04/25/2006 |
| 7021399 | Power tool A power tool includes a body housing a motor with a first output shaft and an attachment for engagement with the output shaft. The attachment includes an output shaft which transmits rotational motion derived from the rotational motion of the motor and further inclu... | 04/04/2006 |
| 7021400 | Power Tool This invention relates to a power tool 1 of the kind having a driven member 15 adapted to releasably hold at least one working element 46. The power tool 1 can operate in either a working mode in which the driven member 15 is drive... | 04/04/2006 |
| 6997269 | Attachment for impact hammer An attachment for an impact hammer for translating the hammer's typical forwardly directed impact force into a rearwardly directed pulling force while still allowing the user to maintain a conventional orientation of the hammer relative to the work piece intended to... | 02/14/2006 |
| 6976809 | Method of preventing frost heave stress concentrations in chilled buried pipelines A method for maintaining a stable soil by surrounding a chilled gas pipe with a material that has an antifreeze component that prevents the soil from freezing. By keeping the soil from freezing, it remains stable at all times. The method calls for excavating a trenc... | 12/20/2005 |
