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8141883 |
Self-locking mechanism of manually tightened drill chuck
The present invention publicly discloses a self-locking mechanism of a manually tightened drill chuck, including a ratchet wheel, a clamp bearing, at least one resilient pawl, and a clip ring,...
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8075229 |
Multi-speed drill and chuck assembly
A chuck assembly configured to provide a shorter longitudinal profile. The chuck assembly includes a chuck body with a support bearing mounted to a rear portion of the chuck body and mounted to a...
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8061719 |
Lockable drill chuck
A drill chuck has a chuck body centered on and rotatable about an axis and formed with angled guides and respective jaws slidable in the guides axially forward and radially toward each other and...
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8057134 |
Chuck assembly
A chuck assembly configured to provide a shorter longitudinal profile. The chuck assembly includes a chuck body with a support bearing mounted to a rear portion of the chuck body and mounted to a...
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8038156 |
Tool chuck with sleeve and clutch mechanism to remove operator variability
A tool chuck may include a chuck body defining a longitudinal axis. A sleeve may be mounted on the chuck body for movement between a first axial position and a second axial position. A clutch part...
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8029000 |
Chuck
A chuck for use with a driver having a rotatable drive shaft, the chuck including a body having a nose section and a tail section, the tail section being configured to rotate with the drive shaft...
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7997587 |
Drill chuck
A chuck with a generally cylindrical body having a tail section configured to receive a drive shaft of a driver and a nose section having an axial bore formed therein. A plurality of jaws is...
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7984913 |
Locking chuck
A chuck including a cylindrical body with a nose section and a tail section, the nose section having an axial bore formed therein. A sleeve is rotatably mounted about the body. Rotation of the...
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7976253 |
Locking chuck
A chuck for use with a manual or powered driver having a housing and a rotatable drive shaft extending therefrom is provided. The chuck includes a generally cylindrical body member having a nose...
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7972093 |
One-way clutch and a clamping structure for a handled tool using the same
The present invention discloses a one-way clutch capable of eliminating the phenomenon of “teeth scraping”, comprising: ratchet member, pawl seat, pawl member, control outer sleeve and control mem...
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7946594 |
Drill chuck locked through an inclined wedge surface
A drill chuck locked through an inclined wedge surface, comprising a drill body, plural jaws, a nut, an outer sleeve, a control sleeve, a poking claw and a wedge block type lock ring. The wedge...
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7900937 |
Locking chuck
A chuck includes a generally cylindrical body constructed of aluminum and a plurality of jaws moveably disposed with respect to the body in communication with the body's axial bore. A generally...
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7896356 |
Drill chuck with two-stage gripping
The present invention discloses a chuck mounted on a transmission shaft driven by a power source, and the chuck comprises a chuck body, plural jaws, a rear cap, an outer sleeve rotatablely fitted...
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7891918 |
Drill
A drill has a housing, a drivable drill spindle rotatably mounted in the housing, a chuck body coaxially connected and rotationally fixed to the drill spindle, a tightening sleeve rotatable on and...
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7845651 |
Locking chuck
A chuck includes a generally cylindrical body and a plurality of jaws moveably disposed with respect to the body in communication with the body's axial bore. A generally cylindrical sleeve is...
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7837200 |
Chuck
A chuck for use with a driver having a rotatable drive shaft, the chuck including a body having a nose section and a tail section, the tail section being configured to rotate with the drive shaft...
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7824136 |
Drill driver with chuck-mounted drill accessories
A power tool with a tool portion and at least one attachment. The tool portion has a tool body and a drill chuck. The drill chuck includes a rotatable spindle, a plurality of jaws that are coupled...
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7757374 |
Keyless chuck with automatic and manual locking
A keyless chuck having both an automatic locking feature and a manual locking feature. The automatic locking feature provides for automatic locking of the chuck in a tightened state when a...
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7753381 |
Tool chuck with sleeve and clutch mechanism to remove operator variability
A tool chuck may include a chuck body defining a longitudinal axis. A sleeve may be mounted on the chuck body for movement between a first axial position and a second axial position. A clutch part...
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7748719 |
Drill chuck
A chuck with a generally cylindrical body having a tail section configured to receive a drive shaft of a driver and a nose section having an axial bore formed therein. A plurality of jaws is...
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7722300 |
Chuck with internal geared tightening mechanism
An internally geared chuck that can generate sufficient torque to ensure adequate jaw gripping or jaw releasing force regardless of whether it is used in a keyless or key enabled chuck version. The...
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7722054 |
Chuck with torque indicator
A chuck for a driver having a rotatable drive shaft, the chuck having a cylindrical body member having a nose section and a tail section. A plurality of jaws is slidably positioned in the body, and...
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7699566 |
Tool chuck with sleeve and clutch mechanism
A tool chuck may include a chuck body defining a longitudinal axis. A sleeve may be mounted on the chuck body and axially fixed relative to the chuck body. A clutch part may be provided on the...
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7690871 |
Locking chuck
A chuck for use with a manual or powered driver having a housing and a rotatable drive shaft extending therefrom is provided. The chuck includes a generally cylindrical body member having a nose...
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7658574 |
Three position selector for automated chuck
A automated chuck is provided with at least three user selectable operating modes, thereby enabling different functions to be performed during tightening and loosening of the chuck. In one...
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7654539 |
Locking drill chuck
A locking drill chuck comprises a chuck body, a plurality of jaws, a nut, a front sleeve, and a rear sleeve, wherein the chuck body has an axial hole at its rear end for engaging with a driving...
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7645101 |
Chuck with internally threaded jaw in a PTO application
A power driver may include a housing, a tool chuck and a power take off mechanism. The tool chuck may have an input shaft mounted for rotation on the housing. The input shaft may support threaded...
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7644931 |
Drill chuck with adjustment-sleeve lock
A chuck has a drive shaft, a generally rotatable housing part adjacent the drive shaft, and a chuck body fixed to and rotatable with the shaft and formed with a plurality of guides holding...
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7637510 |
Chuck with gripping mechanism stop
A chuck is provided for use with a manual or powered driver. The chuck has a body with angularly disposed passageways. A plurality of jaws is slidably positioned within the angularly disposed...
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7581907 |
Clamping structure for a handled tool
A clamping structure for a handled tool including: (1) a chuck body, provided with gear teeth, ratchet and guiding holes, (2) a plurality of grippers, mounted in the guiding holes of the chuck body...
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7530576 |
Non-impact keyless chuck
A non-impact keyless chuck suitable for use with manual or powered drivers is disclosed. The chuck comprises a body which carries a rotatable split nut having a relatively fine thread and a...
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7527273 |
Locking chuck
A chuck for use with a driver having a drive shaft includes a cylindrical body having a nose section and a tail section. The tail section is configured to receive the drive shaft and the nose...
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7520512 |
Drill chuck
A drill chuck with an impacting structure that may be selectively employed to drive the jaws of the chuck into further engagement with or out of engagement with a bit. The chuck is configured so as...
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7503734 |
Drill chuck actuator
A drill is provided with a chuck that has an actuator device that is mounted to the housing of the drill and is spaced from the chuck so that a user can activate the chuck between a “chuck m...
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7497444 |
Chuck device
A chuck device that prevents wear of ratchet teeth is provided. The chuck device includes a rotary sleeve which is rotated so that jaws inserted into a hole provided in a tip end of a body are...
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7481608 |
Rotatable chuck
A chuck is provided with a body, a plurality of jaws and an adjustment ring. The adjustment ring is threadably engaged with the jaws. When the adjustment ring is rotated in one direction, the jaws...
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7472913 |
Drill chuck
A chuck with a generally cylindrical body having a tail section configured to receive a drive shaft of a driver and a nose section having an axial bore formed therein. A plurality of jaws is...
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7469908 |
Power drill chuck
A power drill chuck comprising a drill body, a nut, jaws, a front sleeve, a rear sleeve, a nut sleeve, and a rolling body, wherein jaws are mounted in inclined holes in the drill body. The nut...
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7455302 |
Chuck with spindle lock
A chuck has a generally cylindrical body having a nose section and a tail section, the tail section being configured to rotate with the drive shaft of a driver and the nose section having an axial...
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7451990 |
Chuck with torque indicator
A chuck for use with a manual or powered driver having a rotatable drive shaft, the chuck having a generally cylindrical body member having a nose section and a tail section. A plurality of jaws is...
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7431308 |
Tool-holding chuck for equipping a rotating machine, provided with sequenced radial and axial locking means
Sliding in the body of the chuck are jaws whose external thread is engaged with the internal thread of a nut mounted to rotate on the body. The nut is rotated by a sleeve, allowing the jaws to...
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7389993 |
Lockable hammer-drill chuck
A drill chuck has an externally toothed body, a plurality of jaws, and a tightening ring rotatable on the body in tightening and loosening directions. Screwthreads between the tightening ring and...
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7360770 |
Keyless chuck with automatic and manual locking
A keyless chuck having both an automatic locking feature and a manual locking feature. The automatic locking feature provides for automatic locking of the chuck in a tightened state when a...
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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...
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7325812 |
Grip assembly for clutch cap, front sleeve, rear sleeve and method of making
A grip assembly for one of a clutch cap for a clutch mechanism, a rear sleeve or front sleeve for a chuck assembly having a chuck mechanism with a plurality of adjustable jaws. The grip assembly...
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7296803 |
Chuck
The present invention relates to a self-tightened reverse locking chuck, comprising: a body member, a nut, jaws, a bearing, a drive sleeve, a front sleeve, an annular drive member, a movable...
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7284761 |
Bit stop for drill chuck
A tool bit stop located on an inner surface of a clamping jaw of a drill chuck. The tool bit stop is located a distance from a jaw gripping surface of the clamping jaw. The tool bit stop is adapted...
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7273214 |
Chuck
A chuck to this disclosed which has a central body for including a nose section 6 and a tail section 8. A central portend is formed through the chuck to and a plurality of passageways 12 are angled...
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7246801 |
Self-tightening keyless chuck
The present invention relates to a self-tightening keyless chuck to enable electric percussive drills to grip a tool shank. The chuck includes a rear sleeve, a body, a bearing ring, a bearing...
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7243922 |
Drill chuck tool bit locator
A drill chuck having an adjustable depth stop to control an amount by which a tool bit, such as a drill or a screwdriver bit, is inserted into the drill chuck. The adjustable depth stop can include...
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