Class 81/57.43 - Flexible

Subclass of Class 81 - Tools
Definition: Wrench or screwdriver wherein the drive means is a flexible
No. of patents: 28
Last issue date: 01/22/2008

Number	Title	Issue Date
7320267	Ratchet box end wrench A ratchet box end wrench includes a shank, a ratchet, a ring gear, three wheel members, a belt and a crank. The shank includes a space defined therein, a first pivot hole defined therein and a second pivot hole in communication with the first pivot hole. The ratchet...	01/22/2008
7299722	Adjustable wrench for adjusting the width of the jaw quickly An adjustable wrench for quickly adjusting the width of a jaw thereof, comprising a stationary body (1), having a chamber (12) at an upper portion thereof; a movable body (2), having a worm (13) at a lower portion thereof, being movable t...	11/27/2007
7270035	Single-wedge wrenches Disclosed is a single wedge wrench including two jaws, one of which has a zigzag gripping surface. The wrench further includes a wedge having a zigzag gripping surface. The wedge is mounted on an inner surface of the other one of the two jaws by means of a joint mem...	09/18/2007
7143668	Customizable light bulb changer A light bulb changing tool comprising a motorized clasping mechanism configured to engage a light bulb, the motorized clasping mechanism configured along an axis, the motorized clasping mechanism configured to actuate in a first direction and a second direction; and...	12/05/2006
7111528	Multipurpose grasping part holder A hand tool is provided with a flexible arm containing a flexible gripping strap. The strap forms an adjustable closed loop positioned at one end, and extends through the arm at the other end. The loop is used for securing to a nut, bolt, or similar part that is pos...	09/26/2006
7100238	Bendable extension arm A bendable extension arm. A stiffening wire having a first end and a second end is connected at its first end to a wire receptor and at its second end to another wire receptor. A sheath covers the stiffening wire and prevents over bending of the stiffening wire. In ...	09/05/2006
6941841	Motorized light bulb changer A light bulb changing tool comprising a motorized clasping mechanism configured to engage a light bulb, the motorized clasping mechanism configured along an axis, the motorized clasping mechanism configured to actuate in a first direction and a second direction; and...	09/13/2005
6647830	Advanced tool systems A tool has a pair of elongate housings adapted to be joined together in a housing assembly for enclosing and supporting a flexible drive mechanism entrained about a pair of rotatable elements. Each of the rotatable elements is disposed on the housing asse...	11/18/2003
6543313	Powered wrench A powered wrench includes a chain that is driven by a fluid motor. The chain engages a workpiece and rotates that workpiece in response to operation of the fluid motor. The fluid motor can be located spaced from the handle of the wrench or in the handle o...	04/08/2003
6241736	Manual bone anchor placement devices Manual bone anchor placement devices include a lever, a force translator and a rotary force mechanism. The devices are substantially gun- or pistol-shaped and are actuated when a user squeezes the lever to the gripping portion of a handle. Manual, linear ...	06/05/2001
6193624	Torque transfer device A torque transfer device allows torque to be input at one point of the device and transferred to another point of the device, at which the power or torque is taken from the device. The device incorporates a continuous direct drive comprised of a plurality...	02/27/2001
5941139	Tuner screwdriver An bit driver apparatus having three joined hollow tubular sections with a flexible cable member extending through the hollow portions usable when tight turning adjustments are needed, such as in motorcycle carburetor adjustments. A rotatable handle is fi...	08/24/1999
5860335	Torque transfer device with adjustment apparatus A torque transfer device allows torque to be input at one point of the device and transferred to another point of the device at which the power or torque can be taken from the device. The device incorporates a direct drive means comprised which communicat...	01/19/1999
5638726	Hand tool for screwing and unscrewing a screw means A hand tool for tightening or loosening screw elements such as bolts consists of an elbow pipe (24) in which a displaceable and rotatable flexible shaft (26) is mounted. A handle (30) is attached to the rear end of the shaft in order to rotate and displac...	06/17/1997
5586474	Torque transfer tool A torque transfer device allows torque to be input at one point of the device and transferred to another point of the device at which the power or torque can be taken from the device. The device incorporates a direct drive means comprised of links and spa...	12/24/1996
5540123	Torque transfer device A torque transfer device allows torque to be input at one point of the device and transferred to another point of the device at which the power or torque can be taken from the device. The device incorporates a direct drive means comprised of a plurality o...	07/30/1996
4898052	Automatically controlled socket wrench An automatically controlled socket wrench which comprises a body having handle, a rotating gear member including a pair of jaws which containing a screwing aperture disposed in a supporter extended therefrom and a worm gear member, a controlling wire rope...	02/06/1990
4876929	Portable screw driver having flexible extension shaft A cordless portable electric screwdriver having a chuck for normally holding a tool for rotary driven motion at one end thereof. The screwdriver includes a flexible extension shaft having a first end adapted to cooperate with the chuck and a second end ad...	10/31/1989
4867016	Tool extension and torque transfer device The hand tool extension and torque transfer device for enabling effective transfer of torque to a bolt located in a difficult to access location. There is provided an elongated housing having a hand gripping portion, the gripping portion constituting abou...	09/19/1989
4856385	Squeeze motion to rotary motion tilt head driver A driving tool having a tiltable head lockable into a plurality of positions for imparting rotating motion to an output device as the result of squeezing two handle members....	08/15/1989
4838131	Nut starter In one embodiment, there is provided an axial nut starter having a nut engaging member which can be used with a wide range of nut sizes. The nut engaging member is in the form of a stepped series of stacked, coaxially aligned cylinders. The base, or the l...	06/13/1989
4813309	Automatically controlled socket wrench An automatic controlling socket wrench comprises a body having a handle, a rotating gear member including a pair of jaws which containing a plurality of racks and a worm gear, a controlling wire rope connected to the worm gear and a button, a stopper for ...	03/21/1989
4765209	Wrenches Improved hand tools for installing or removing cap screws, bolts, nuts and the like from locations of difficult access. In one embodiment, the tool is fitted with a continuous elastomeric member that engages the work item and holds it on the tool while im...	08/23/1988
4748872	Flexible power tools This invention presents a flexible power tool in which a flexible drive is utilized to permit the power supplying end to be angularly displaced from the work performing and during powered drive without inherent wobble, which is achieved first by pivotally...	06/07/1988
4729270	Socket driver spanner A socket drive spanner having an outer tube and a conventional half inch square driver protruding therefrom. A spindle and an inner tube are located within the outer tube and the spindle is rotated by axially moving a rod which is perpendicular to the out...	03/08/1988
4656894	Ratchet wrench A ratchet wrench has a chain drive and three separate operating handles enabling the wrench to be operated in three different modes providing various degrees of torque and various speed ratios....	04/14/1987
4483562	Locking flexible shaft device with live distal end attachment The device includes a shaft having a plurality of interengaging shaft members. A tension member extends through the shaft and is positional between two positions. When the tension member is in the first position thereof, the shaft members are capable of m...	11/20/1984
4436003	Tool for supporting and turning threaded members A tool having particular utility for supporting for rotation threaded members to be installed or removed from relatively inaccessible locations comprising an elongated body member having an opening extending therethrough and a portion on one end thereof f...	03/13/1984

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Class 81/57.43 - Flexible