Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 8074735 | Hand-held power tool A hand-held power tool has a handle, a least one two-speed transmission, at least one switch element for shifting the transmission between various gear ratios, wherein a distance between the switch element and a gripping region of the handle provided for placement o... | 12/13/2011 |
| 8037948 | Drilling machine A drilling machine includes a motor housing, a gear box housing, a shaft driven by the motor and extending into the gear box housing, a drilling shaft extending through the gear box housing and having an outgoing channel arranged in the drilling shaft for supply/rem... | 10/18/2011 |
| 7967079 | Hand-held power tool A portable power tool includes a motor housing (22a, 22b, 22c, 22d, 68) and a housing cover (26a, 26b, 26c, 26d, 72) that is attached to the... | 06/28/2011 |
| 7882901 | System and method for breaking chips formed by a drilling operation A drilling machine is provided for breaking chips formed by drilling action into manageable lengths. The drilling machine comprises a first gear having a first axis of rotation, and a cam follower surface. It has a second gear having a second axis of rotation coinci... | 02/08/2011 |
| 7779931 | Electric hand screwdriver with adjustable head An apparatus to accomplish rotational work on a securing element. The apparatus has a main body portion and an articulating arm. The main body has a power source, a drive motor, and a drive shaft. The drive shaft extends into the articulating arm which has a first s... | 08/24/2010 |
| 7607493 | Hand-held electric power tool A hand-held electric power tool (2) includes a switching gear unit (6) which has at least two switching stages, including an impact mechanism (10) which can be switched on, and a mode switch (4) with which the switching gear unit (6 | 10/27/2009 |
| 7568531 | Gear transmission device for power tool A gear transmission device for a power tool. The device transmits rotation of an input shaft to an output shaft, which are coaxially rotated. The input shaft includes a distal portion, and the output shaft includes a basal portion facing towards the distal portion o... | 08/04/2009 |
| 7510024 | System and method for breaking chips formed by a drilling operation A drilling machine is provided for breaking chips formed by drilling action into manageable lengths. The drilling machine comprises a first gear having a first axis of rotation, and a cam follower surface. It has a second gear having a second axis of rotation coinci... | 03/31/2009 |
| 7475740 | Angle drive attachment An angle drive attachment having an adjustable handle is provided. The angle drive includes an input shaft, an input shaft housing, a transmission, a handle mount, a handle, and an output socket. The handle allows the angle drive attachment to be adaptable to workin... | 01/13/2009 |
| 7422075 | Rotary tool An overload clutch assembly for a power tool having two torque settings through which rotary drive is transmitted to a spindle. The overload clutch assembly is capable of being between switched between the two torque settings by at least one actuator. The clutch ass... | 09/09/2008 |
| 7413029 | Screw fastening machine The present invention aims to provide a screw fastening machine for reliably switching and changing a driving force transmitting path with the seating on a work as a reference. According to the screw fastening machine in which a first pulley is connected to a... | 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 |
| 7410441 | Multispeed power tool transmission A portable power tool having a relatively compact multi-stage, three-speed transmission and a related method for operating a power tool with a multi-stage, three-speed transmission. ... | 08/12/2008 |
| 7410007 | Impact rotary tool with drill mode An impact rotary tool is provided that is switchable between an impact mode where the tool delivers an impacting torque on an output tool and a drill mode where the driver delivers a smooth output on an output tool. The impact rotary tool includes an impact mechanis... | 08/12/2008 |
| 7410009 | Power tool It is an object of the present invention to provide an improved technique for preventing leakage of lubricant from an accommodating space that houses a driving mechanism, while regulating the internal pressure of the accommodating space in a power tool. A representa... | 08/12/2008 |
| 7407460 | Planetary gearbox A planetary gearbox for a power tool has a planetary carrier and a rotatable sleeve with sun wheel toothing arranged centrally on the planetary carrier. The sleeve has a radial section with outer toothing. Planet wheels are positioned between planetary carrier and r... | 08/05/2008 |
| 7407018 | Power working machine A hedge trimmer is provided which performs a trimming operation on a hedge. The hedge trimmer includes a machine body, a handle rotatably attached to the machine body, a throttle lever provided in the handle, a locking mechanism for preventing the handle from rotati... | 08/05/2008 |
| 7404781 | Multispeed power tool transmission A method for operating a portable power tool having a multi-stage, three-speed transmission. ... | 07/29/2008 |
| 7398834 | Hammer drill with selective lock-on A hammer drill comprising: a motor; a drive transmission capable of operating in at in at least a rotary mode and a reciprocating mode; a mode change mechanism; a switch which, when closed, provides power to the motor; and a mechanical lock-on mechanism which, when ... | 07/15/2008 |
| 7395876 | Drill driver A drill/driver (2) includes first (32) and second (52) drive shaft. The two drive shafts (32, 52) are independently rotatable about respective axes (A-A, B-B) thereby to selectably choose the radial and axial position of the final output ... | 07/08/2008 |
| 7380613 | 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 |
| 7377331 | Damping driving axle A damping drive axle includes an output shaft divided into a first portion and a second portion, a mounting seat having a centrally defined hole, a first compartment to correspond to and receive therein the first portion of the output shaft and a second compartment ... | 05/27/2008 |
| 7359628 | Control device for an electric motor The invention relates to a drive device for an electric motor, in particular for a brushless DC motor in an electrical tool, which is powered by a rechargeable battery. The drive device has at least one power semiconductor, in particular for controllable application... | 04/15/2008 |
| 7357195 | Power tool and gear unit assembled therein A power tool including a gear unit provided with a load moderating mechanism capable of reducing noise and prolonging service life. A coupling is force fitted with a spindle at a predetermined pressure allowing the spindle and the coupling to rotate relative to each... | 04/15/2008 |
| 7354226 | Hand-held power tool with a dust suction module A hand-held power tool (2) connectable with a dust suction module (32) includes a motor (64) and an air flow generator (66) which for cooling the motor (64) is located, together with the motor (64), in air flow path (62 | 04/08/2008 |
| 7350592 | Hammer drill with camming hammer drive mechanism A reciprocating drive mechanism for a striker in a hammer, a rotary hammer, or a power drill having a hammer action, includes a sinusoidal cam channel formed on a drive member and a cam follower, in the form of a ball bearing, attached to a driven member which, due ... | 04/01/2008 |
| 7351012 | Rotational drive apparatus for screw pilings A rotational drive apparatus for screw pilings is described. The apparatus comprises a housing having a cylindrical pipe coupling adapted to receive a shaft of a screw piling therethrough. A detachable connecting element secures the coupling to the shaft at differen... | 04/01/2008 |
| 7334646 | Electric power tool with improved speed change gearing A battery-operated driver-drill (1) includes an epicycle reduction gear unit (8) which encases a switchover sleeve (26) having inner teeth (27) and outer teeth (28). The gear unit (8) is rotatably mounted on second and third... | 02/26/2008 |
| 7334647 | Rotary tool An overload clutch assembly for a power tool having two torque settings through which rotary drive is transmitted to a spindle. The overload clutch assembly is capable of being between switched between the two torque settings by at least one actuator. The clutch ass... | 02/26/2008 |
| 7331408 | Power tool housing A transmission housing for a hammer drill comprises two clamshell halves and that mate to define a first transmission housing chamber and a second transmission housing chamber disposed on either side of a ball bearing race. The first and second transmission housing ... | 02/19/2008 |
| 7314097 | Hammer drill with a mode changeover mechanism A hammer drill/driver with a motor having an output member, a planetary transmission, a clutch assembly and a clutch bypass. The planetary transmission, which includes a ring gear, receives rotary power from the output member and produces a rotary output. The clutch... | 01/01/2008 |
| 7308950 | Drilling and/or hammering tool A hand held electrically powered drilling and/or hammering tool comprises a balanced motor sub-assembly including a radial fan mounted to the armature shaft at a first end of the motor with the fan blades facing away from the motor, and motor the sub-assembly is mou... | 12/18/2007 |
| 7308948 | 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... | 12/18/2007 |
| 7306051 | Gear transmission device for power tool A gear transmission device for a power tool. The device transmits rotation of an input shaft to an output shaft, which are coaxially rotated. The input shaft includes a distal portion, and the output shaft includes a basal portion facing towards the distal portion o... | 12/11/2007 |
| 7306052 | Multi-position utility hook assembly for tool A multi-position hook assembly includes a hook and a holding block. The hook includes a free leg and a mounting leg joined by a top span. In addition, the holding block is configured for rotatably receiving the mounting leg of the hook and for releasably locking the... | 12/11/2007 |
| 7306050 | Toothed ring connecting structure of a power tool A toothed ring connecting structure of a power tool, including: a main body having a first opening and a second opening; a motor accommodated in the main body and having an output shaft extending from a first end of the motor; a fixing cap having a body section, a f... | 12/11/2007 |
| 7303028 | Adjustable handle for a power tool The present invention relates to a power tool comprising: a housing and a handle engaged with the housing, wherein the rear portion of the housing is provided with an arcuate track. The handle is provided with an engaging portion which is engageable with the arcuate... | 12/04/2007 |
| 7300431 | Remote controlled device for tool rotating A remote-controlled device for rotating tools, preferably medical tools, comprising a hollow body (1) which is embodied in the form of pivotally connected proximal and distal parts (2, 6) provided with a pair of adjacent end surfaces (5, 5′) w... | 11/27/2007 |
| 7290964 | Drilling/tapping/unscrewing apparatus A drilling/tapping/unscrewing apparatus including a transmission shaft of a power source on which a drilling ratio gear, a tapping ratio gear and an unscrewing ratio gear are mounted for transmitting the power of the power source to a bit. The apparatus further incl... | 11/06/2007 |
| 7287600 | Hammer drill with wobble mechanism and hollow drive shaft A hand power tool has a housing, a drive motor and a gear mechanism arranged in the housing. A tool receptacle accommodates a tool, and a gear wheel drives a rotary sleeve in rotation from the drive motor and the gear mechanism and thereby the tool receptacle. A ham... | 10/30/2007 |
