Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 8075001 | Chuck and rotary orienting device Disclosed is a chuck comprising a base (10) in which a plurality of radially continuous, longitudinal slots (41) are provided for an individual clamping jaw (11, 21), respectively. The clamping jaws (11, 21) encompass one respective stopp... | 12/13/2011 |
| 7264429 | Tool free collet assembly A collet assembly, for selectively attaching a tool accessory to a tool, having a collet nut rotatably connectable to the tool, a collet compressible by the collet nut, and a torque application feature movably connected with the tool. The torque application feature ... | 09/04/2007 |
| 7258348 | Machining fixture for centering and holding workpiece A centering and holding fixture includes a base, a piston disposed within a piston chamber at least partially located within the base, and a radially flexible ring connected to the piston by force transmission apparatus operable to contract and expand the radially f... | 08/21/2007 |
| 6726221 | Dead length collet chuck assembly A collet chuck assembly includes a mount, a selectively-axially-movable collet closing sleeve, and a multiple-segment collet head. The collet head includes two axially-spaced outer circumferential cam surfaces that engage two axially-spaced inner circumferential cam... | 04/27/2004 |
| 6719303 | Drill string chuck A drill rod chuck in which the closing of the jaws is effected through the use of gas springs mounted in the slidable jaw actuating jaw bowl. Further the jaws are supported by bushings against cantilever loading during drilling and the jaws are positively advanced a... | 04/13/2004 |
| 6533292 | Pull-to-close collet chuck A pull-to-close collet chuck for use with lathes equipped with servo-type bar loaders. The chuck is configured to be coupled to a lathe drawtube and translates linear movement of the drawtube to a work-gripping action to a collet. The chuck generally incl... | 03/18/2003 |
| 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 |
| 6257595 | Collect chuck with quick-change cap A collet chuck assembly includes an annular mount adapted to be attached to a spindle of a turning machine, a tubular collet sleeve disposed internally to the mount including an inner tapered cam surface and adapted to be coupled to an axial moving mechan... | 07/10/2001 |
| 6059336 | Hydraulically actuated mechanical coupler A connector unit is disclosed which comprises a shaft, a plurality of collet fingers, and a sleeve. The plurality of collet fingers are peripherally positioned against the generally cylindrical outside surface of the shaft adjacent the lower end of the sh... | 05/09/2000 |
| 5921561 | Collet assembly The present invention is a collet assembly with a sliding lock. The assembly includes a segmented tubular body with the segments being increasing in size from one end of the body to the other. The two smallest segments form a plug for securing the collet ... | 07/13/1999 |
| 5613692 | Collet A circular flexible collet that provides a 360 degree gripping engagement with a cylindrical workpiece and which is operable by an actuator member incorporated in a workpiece chuck. The collet may be constructed as an internal collet for gripping engageme... | 03/25/1997 |
| 5414888 | Grip handle chuck An improved plumbers' tool of the type employing a helically wound coiled spring which is controllably inserted into waste lines to remove blockages. In operating the tool of the invention, a storage drum from which the clean-out spring is payed out is ro... | 05/16/1995 |
| 5037254 | Tool clamping device A tool clamping device comprises an axial sleeve having a forwardly tapering internal surface. A radially compressible ring is disposed on the internal surface. An axially compressible spring opposes axial movement of the ring while permitting axial rearw... | 08/06/1991 |
| 5029881 | Jaw teeth with elastomeric connector A chuck jaw assembly for use in an apparatus for setting fasteners is disclosed having an elastomeric connector, or retaining member, that holds the jaw teeth of the chuck jaw assembly in the proper axial and circumferentially spaced positions with respec... | 07/09/1991 |
| 4997325 | Chuck for axially clamping two machine parts which are releasable from each other In a chuck for axially clamping two machine parts which are releasable from each other, on the first machine part (1) are provided a hollow centring attachment (3), a contact face (6) surrounding the attachment, and an annular groove (8) formed on the ins... | 03/05/1991 |
| 4971340 | Collet The collect (20) is composed of a foundation body (21) and a closer (22). The foundation body (21) can be connected to the tightening device of a machine tool. The closer (22) is divided into individual clamping jaws (38) which are connected to one anothe... | 11/20/1990 |
| 4867463 | Quick release collet A pipe holding collet is provided with an insert assembly that can be readily and quickly changed without the use of tools so as to adapt the collet to hold tubes of different sizes. The insert assembly is formed of a number of identical longitudinally se... | 09/19/1989 |
| 4858938 | Two piece collet with interlocking collet segments A collet head for securing to a collet body for machine tools has a plurality of spaced segments arranged in a circular configuration having spaced slots between each segment. Each segment has a front face, a rear face, an inside work gripping surface, an... | 08/22/1989 |
| 4799696 | Chuck closing mechanism for automatic screw machine A pair of spindles are journaled coaxially one within the other in the indexing head of an automatic screw machine, and with the outer spindle disposed to be reciprocated axially between first and second limit positions in which it opens and closes, respe... | 01/24/1989 |
| 4736957 | Stressing arrangement A stressing arrangement for workpieces of cylindrical or at least partially cylindrical shape including a housing which coaxially surrounds the workpiece. For the purpose of temporarily fixedly holding the workpiece for further working, in particular for ... | 04/12/1988 |
| 4604009 | Tool retention mechanism A tool retention mechanism is disclosed for clamping a tool holder knob. An elongate rod member is supported lengthwise in a compartment formed within the center of an elongate housing. A knob clamping assembly is mounted on the outer end of the rod membe... | 08/05/1986 |
| 4595363 | Dental handpiece having means for opening and closing a chuck A device for opening and closing a chuck for a dental handpiece has a handle portion and a powerhead assembly including a hollow driving shaft having, adjacent to its outer orifice, a forwardly outwardly tapering portion defining a small diameter rear por... | 06/17/1986 |
| 4374481 | Adjustable socket with detachable or lockable engaging handle component The adjustable socket comprises a plurality of fingers pivoted by one end thereof to a socket body and enclosed within a partially rotatable shell covering the socket body. A spiral slot in the shell is engaged by a pin or the like extending from the body... | 02/22/1983 |
| 4063488 | Tool chuck An improved tool chuck having a draw-in rod axially movably located inside a tool spindle and attached to a locking head which is positively engageable with a tang on a tool. Locking members are provided and are each movably contained in radial openings i... | 12/20/1977 |
| 4014558 | Chuck-closing mechanism for automatic screw machine When the conventional feed yoke is moved forwardly by the conventional mechanism of an automatic screw machine, an internal conical surface on a ball sleeve, which is moved forwardly by the yoke, operating through balls forces the chuck-closing sleeve for... | 03/29/1977 |
| 3992019 | Drill head with locking chuck Core sampling drill head having powered drill chuck with jaws to grip drill rod. Head has thrust member movable by chuck actuating means between jaws retracted and jaws extended position, and precompressed chuck springs cooperating with thrust member and ... | 11/16/1976 |
| 3937500 | Device for connecting telescoping pipes An annular member to be fitted around a small-diameter pipe has drawing means and pressing members. The drawing means connect the annular member to a large-diameter pipe, and the pressing members to the small-diameter pipe to thereby connect the small-dia... | 02/10/1976 |
