Bizarre Patents
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.
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 |
| 7354230 | Bit holding apparatus for use with a power tool An attachment (10) for use with a power tool (12) which can conveniently convert a rotatable chuck (14) or adapter (78) used with a first bit device (22) to usage with a second bit device (36) and vice versa. Either first or... | 04/08/2008 |
| 7293944 | Power tool with tool bit holder operator A power tool having a body, a tool bit holder protruding from the tool body for holding and rotating a tool bit about an axis of rotation, and an operator for operating the bit holder. The operator includes an annular member rotationally engageable with the bit hold... | 11/13/2007 |
| 7082675 | Method for manufacturing a solid core of laminations In a method for manufacturing a solid core of laminations, a sheet metal web is cut in the longitudinal direction of the sheet metal web to produce at least two sheet metal strips. The sheet metal strips are separated in a direction transverse to the longitudinal di... | 08/01/2006 |
| 7080964 | Tool chuck having a light transmitting capability A preferred embodiment of the invention comprises a tool chuck for a power hand tool of the type which has a generally cylindrical elongated housing with a motor contained within the housing or case and the motor having an output shaft that extends from the nose end... | 07/25/2006 |
| 6893027 | Surgical chuck key A surgical drill chuck key comprising an elongated body of a cylindrical construction having a smooth rounded surface. A key gear located at a first distal end of the elongated body having a plurality of gear teeth with radiused knuckles. A handle having an elongate... | 05/17/2005 |
| 6488288 | Chuck key tool A chuck key tool includes a hub with a magnet positioned on the hub. Spokes project radially from the hub and include chuck keys defined at the end of each of the spokes. The magnetic hub enables storage and easy access to the chuck key tool.... | 12/03/2002 |
| 6340163 | Snag-resistant chuck key A chuck key of the type having an elongated cylindrical handle (12) that is used to apply torque to a chuck engaging gear (10) at one end of the handle. The chuck key is smooth, with a cylindrical abbreviated curve formed at the gear end, and without prot... | 01/22/2002 |
| 6273200 | Screwdriver with manuel spindel lock A power tool has a manual spindle lock which includes a first locking member to couple with a gear of the power tool drive train. The locking member includes a first cam member. A second cam member is coupled with the first cam member. The second cam memb... | 08/14/2001 |
| 6264208 | Chuck assembly To provide a chuck assembly which is superior in practical usability and workability in clamping and fixing a tool to a spindle without fail and with ease by lever-operation of a specialized operational jig, a taper portion is provided on at least one of ... | 07/24/2001 |
| 5800102 | Key and retainer device for a chuck The present invention uses a collar that fits over a nose and a locking cylinder of a chuck of the drilling machine. The collar has a cutout section to accommodate the chuck key including the key gear when it is engaged with the beveled gear of the lockin... | 09/01/1998 |
| 5692759 | Keyless chuck operation device A main body formed generally as a hollow cylinder has an open end sized to receive a chuck head into the main body. An outer shell formed generally as a hollow cylinder is mounted to the main body. A gear drive assembly is mounted to the main body and eng... | 12/02/1997 |
| 5332240 | Drill chuck key tool A drill chuck key tool including at one end a gear and pin element for engaging a drill chuck collar and at the opposite end a socket configured for releasable receipt of a ratchet wrench drive lug for application of the mechanical advantages provided by ... | 07/26/1994 |
| 5197749 | Keyless chucking device A keyless chucking device for use with existing and specially-designed chucks mounted on rotary power tools to cause the chuck's jaws to grip or release auxiliary tools such as drill bits. The device is especially suited for use with variable speed, rever... | 03/30/1993 |
| 5186478 | Tool chuck for a turning machine such as a drill A chuck includes a body mounted on the motor shaft of a machine. A plurality of jaws is mounted to slide in bores and converge forward. A sleeve surrounds the body and is mounted to pivot around the latter. The jaws have an outer threaded part which meshe... | 02/16/1993 |
| 5180175 | Drill chuck key A drill chuck key includes a bevel gear that is connectable with a collar of a drill to tighten or loosen the jaws of the drill and a mechanism for operating that bevel gear as the key is moved. The mechanism permits the tightening or loosening operation ... | 01/19/1993 |
| 5174587 | Non-slip drill chuck A non-slip drill chuck apparatus is provided on a hand drill. The drill chuck has a shell with bevel gear teeth for use with drill motors and the like, a stationary collar which extends from the shell and a plurality of adjustable jaws that extends from t... | 12/29/1992 |
| 5139277 | Rapidly convertible chuck adapters A chuck having a sliding outer jaw is locked against any adjustment in radial position relative to the inner jaw on which it is moved radially by a radially movable pin which, in one radial position, prevents axial retraction of the post interconnecting i... | 08/18/1992 |
| 5069585 | Drill chuck key bearings A drill chuck key bearing includes an elongated support member having a pair of legs pivotally connected to the opposing ends thereof. The support member has an aperture therethrough, through which the shank of a drill chuck key is rotatably and slidably ... | 12/03/1991 |
| 5030044 | Collet key stabilizer apparatus Apparatus is provided for surrounding engagement with an associated truck collet to accommodate a plurality of collet sizes wherein a central H-shaped yoke pivotally mounts a first and second leg downwardly therefrom wherein each leg includes an inner and... | 07/09/1991 |
| 5009439 | Chuck for tools A chuck for tools comprises a main body in which an axial center hole and a plurality of slanting holes extending radially from the center hole are formed, a plurality of jaws each being slidably inserted in each slanting hole and formed, at its outer sur... | 04/23/1991 |
| 4999018 | Drill chuck key bearing A drill chuck key bearing includes an elongated support member having a pair of legs pivotally connected to the opposing ends thereof. The support member has an aperture therethrough, through which the shank of a drill chuck key is rotatably and slidably ... | 03/12/1991 |
| 4856797 | Chuck for gripping a workpiece A chuck comprising a chuck body having guide surfaces, preferably in the form of the surface area of a hollow cone, is provided. Chuck jaws having a correspondingly conical guide surface rest against the surface of the chuck body and are secured to one an... | 08/15/1989 |
| 4844488 | Chuck actuator system and method A keyless chuck operating system comprises a hollow, generally cylindrical body formed of rubber or other similar substance preferably having a shore hardness in the range of 50 to 60. The body has a central cavity therein formed to fit firmly over a chuc... | 07/04/1989 |
| 4817971 | Chuck actuator device and method A keyless chuck operating device comprises a hollow, generally cylindrical body formed of rubber or other similar substance preferably having a shore hardness in the range of 50 to 60. The body has a central cavity therein formed to fit firmly over a chuc... | 04/04/1989 |
| 4781083 | Ratchet key chuck tool A ratchet chuck key tool with a torque indicator for tightening and loosening a chuck. The device includes a one-way ratchet having a ratchet wheel, a pawl and a handle. The pawl, which is connected to the handle, drivingly engages and disengages the ratc... | 11/01/1988 |
| 4718797 | Snap-on pad for chuck key A chuck key pad (10) disclosed has a unitary construction that is snapped onto an associated chuck key to permit application of a greater torque than would otherwise be possible during tightening and loosening of a chuck. The pad (10) includes a body (28)... | 01/12/1988 |
| 4662654 | Automated cylinder connector An automated cylinder connector is disclosed, which substantially reduces the time required to connect and disconnect a gas line from a gas cylinder. In one embodiment, a threaded connector, defining a conduit for gas flow, is designed to be attached to t... | 05/05/1987 |
| 4615653 | Chuck key holder with locking pin A tool that contains a chuck key, and a locking pin. When the key is placed in one of the pilot holes of a chuck such as found on a hand drill, the locking pin is inserted into one of the two remaining pilot holes. This holds the key in a positive positio... | 10/07/1986 |
| 4534573 | Chuck key A chuck key having a chuck engaging portion attached to an elongated member that is used to apply torque to the chuck engaging portion. The elongated member has a groove along its length disposed to receive and clamp onto an electrical cord placed therein... | 08/13/1985 |
| 4532834 | Two-piece drill chuck wrench A two-piece chuck wrench for receipt around a chuck body of a drill tool or the like. The wrench engaging beveled gear teeth of a ring gear around the top of a rotatably mounted chuck operating sleeve and engaging one of a plurality of bores in the side o... | 08/06/1985 |
| 4467677 | Combination chuck key tool A combination tool includes at least two chuck keys, each chuck key being individually borne on the end of a tool shaft or arm. The combination tool can also include other tool instrumentalities such as screwdrivers. Preferably, the tool comprises a pair ... | 08/28/1984 |
| 4462728 | Accessory for electric drill Elongated handle having a threaded spindle for engagement with a threaded aperture in the side of the body of an electric drill and a gear mounted on the same end of the handle for engagement with the geared chuck used with the drill.... | 07/31/1984 |
| 4446588 | Multi-purpose tool The present invention relates to a multi-purpose tool having particular, although not exclusive, use in conjunction with milling machines in which a drawbar is employed to engage and disengage a tool collet wherein the drawbar protrudes above the machine ... | 05/08/1984 |
| 4434686 | Adjusting apparatus To adjust the relative positions of two elements mounted for guided sliding relative motion in a first direction and in a contact plane thereof, a cylindrical adjusting tool is fitted into a reference bore in one element and rotationally and non-slippably... | 03/06/1984 |
| 4418926 | Nonloosening drill chuck A drill chuck has a chuck body rotatable about a chuck axis and formed with a radially open threaded bore and with a radially open unthreaded bore. A plurality of jaws are radially displaceable on the chuck body. A tightening ring is rotatable on the body... | 12/06/1983 |
| 4418927 | Lockable drill chuck A drill chuck normally has a chuck body rotatable about a chuck axis and provided at its front side with a plurality of axially forwardly projecting and radially displaceable jaws. A tightening ring rotatable on the body about the axis thereof is connecte... | 12/06/1983 |
| 4402241 | Spindle locking means for power operated tool An electric saw or other power-operated tool carries a spring-loaded pin for selectively locking the output spindle against rotation and facilitating removal of the blade. The locking pin comprises a bent wire-formed element pivotably retained in the hous... | 09/06/1983 |
| 4400995 | Spindle lock with impacting capability The power tool has a spindle lock member rotating with the output spindle with a blocking member normally rotating with the lock member but capable of being restrained against rotation. The blocking member extends beyond the lock member and is provided wi... | 08/30/1983 |
| 4323324 | Chuck brake A chuck brake is secured to a hand-held reversibly rotatable drill of the variable speed type having a chuck. The chuck brake permits selective tightening or loosening of the chuck by operation of the drill. Brake shoes surround and are adapted to engage ... | 04/06/1982 |
| 4315744 | Chuck wrench for dental handpieces A chuck wrench for dental handpieces in which the wrench has a unitary handle that may be easily gripped by a user for coupling the wrench to the head of a handpiece for adjusting the collet chuck thereof. The wrench includes a rigid shaft of non-circular... | 02/16/1982 |
