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| Number | Title | Issue Date |
| 4523766 | Chuck assembly A chuck mechanism includes an axially fixed part-positioning pilot coaxially surrounded by a fixed hollow closure sleeve. A cylindrical carrier slides within the sleeve and carries a plurality of part-engaging jaws. A dual area piston is pressure-operated... | 06/18/1985 |
| 4505487 | Dead stop for collet chucks A dead stop for workpiece positioning in collet chucking machinery. A fixed length stop is provided within a machine collet for establishing workpiece position independently of the collet clamping function and workpiece diameter.... | 03/19/1985 |
| 4447177 | Tool holder with tool position compensating mechanism A tool holder incorporating a tool position compensating mechanism is disclosed, which includes a screw shaft axially slidably but non-rotatably supported in a tool mounting shell and formed with a cam surface. A rotary member is rotatably received and th... | 05/08/1984 |
| 4432559 | Hydraulic chuck having ring collet A hydraulic chuck for engagement of the outside of tubes. A set of ring collets are provided to grip the tube and hold it while the tube is tested, expanded, or otherwise worked on. Seals are provided to prevent fluid flow between the tube and the chuck. ... | 02/21/1984 |
| 4418592 | Stopping fixture A stopping fixture for a hollow spindle of a headstock has two elements movable relative to one another in an axial direction of the spindle and insertable into the latter, whereas the elements have inclined surfaces so that when one of the elements is ax... | 12/06/1983 |
| 4385854 | Collet chuck assembly for taps A collet chuck assembly used for the attachment of a tap to the spindle of a tapping machine is provided. A bore for insertion of the base end of the tap is formed in the lower portion of a cylindrical portion, and at least one O-ring is mounted on the in... | 05/31/1983 |
| 4325661 | Drill bit end protectors A cutting end protector is used in securing one of the cutting ends of a double ended drill bit in a drill chuck. The cutting end protector comprises a body portion contoured to mate with the inner surface of the drill chuck and adapted to receive the dri... | 04/20/1982 |
| 4314780 | Tubular key duplicating machine A chuck for a tubular key blank is mounted on one end of a plunger which is reciprocatable towards and away from an end mill, and which is also rotatable between a plurality of angularly-spaced positions. An original key is used to reciprocate the plunger... | 02/09/1982 |
| 4312513 | Gear holding hydraulically actuated chuck This application discloses a work-holding chuck particularly for gears with their exterior teeth finished or substantially finished as by grinding, shaving and the like. This chuck has a plurality of hardened and finished pins which are moved and secured ... | 01/26/1982 |
| 4281447 | Detachable tool interface system for a robot A mechanical system for allowing removable attachment of tools to a robot which is capable of accommodating positional and angular errors between the tool and the robot during attachment and release of the tool by using tapered attachments.... | 08/04/1981 |
| 4272086 | Adjustable taper ring collar An adjustable taper ring collar for use in manufacturing rings comprises a generally cylindrical member having a plurality of longitudinal slits therein, the sections of the cylindrical member between the longitudinal slits being expandable in the radial ... | 06/09/1981 |
| 4262916 | Chuck having keep stop and accessories Workpiece stop structure is provided for workpieces to be supported from and rotated by adjustable jaw chucks and collets. The stop structure may be used to great advantage in that successive workpieces may be tooled or cut to the same length dimensions w... | 04/21/1981 |
| 4260303 | Boring tools A boring tool has a cylindrical body (1) with cutter blades (7) slidable at an angle to the body axis. The projection of the blades beyond the body and thus the boring diameter is set by a rotatable advancing member (12) having a conical head (11) to enga... | 04/07/1981 |
| 4239834 | Metal substrate formation with torx recess mandrel A metal substrate, and a method of construction thereof, utilizing an elongated mandrel having a drilled hole in a first end thereof, and a torx recess in the second end thereof. A web of metal substrate material is affixed to the mandrel, the web includi... | 12/16/1980 |
| 4234309 | Dental twist lock pin and wrench A twist-lock pin for improving the retention and resistance characteristics of plastic dental restorative materials and a wrench for providing positive control over the pin during insertion into the opening in the tooth. The pin is partially screwed count... | 11/18/1980 |
| 4208061 | Chuck with retractable stop A collet chuck having a workpiece stop engagable with an end face of a workpiece to properly locate the workpiece on the chuck. The stop is retracted after the workpiece is gripped so as to not interfere with a cutting tool for machining the end face of t... | 06/17/1980 |
| 4201394 | Collet chuck A collet chuck for gripping a workpiece around the internal diameter thereof having a collet sleeve expanded and contracted by axial movement over a tapered nose cone at the forward end of a collet expander. The collet sleeve is connected by a plurality o... | 05/06/1980 |
| 4187045 | Drilling assembly and a drilling tool thereof A drilling assembly has a drilling tool which is insertable into a collet chuck of a drilling machine and includes an elongated shaft clamped by the collet chuck, and a longitudinally extending portion on the shaft engageable in a slot between two collets... | 02/05/1980 |
| 4152091 | Numerical controlled rotary cutting tool extension An adjustable length rotary cutting tool extension for a numerical controd machine to adjust the length of a resharpened or shorter tool to match the preestablished length set into the numerical controlled data program.... | 05/01/1979 |
| 4133545 | Holder for an elongate tool shank A holder for tightly gripping the shank of an elongate cutting or like tool comprises a shank portion and a base portion with a cylindrical outer surface. The holder has a central bore for receiving the tool shank and transverse screws intersecting the bo... | 01/09/1979 |
| 4127279 | Tool holder A tool holder includes a shank that has an axial passage therethrough for conducting coolant. The end of the shank remote from the cutting tool has a hollow stop screw which determines the effective length of the tool holder and which contains a check val... | 11/28/1978 |
| 4114276 | Dental tool handpiece assembly with removable spacer member A dental tool handpiece is provided with a spacer member which may be inserted into the collet of the handpiece which normally receives the tool and which has longitudinal slots adapting the collet to grip the tool when in operative engagement therein. Th... | 09/19/1978 |
| 4073497 | Care chuck stop assembly A stop assembly comprising a generally cylindrical body whose outer surface is adapted for engaging the interior cylindrical surface of a hollow core, a plurality of fingers secured to the body for pivotal movement about axes generally parallel to that of... | 02/14/1978 |
| 4067586 | Diaphragm chuck A diaphragm chuck having a plurality of circumferentially spaced jaws fixedly mounted on the diaphragm and a ring releasably interengaged with the jaws. The ring has a plurality of radially movable pins thereon which, when the diaphragm is flexed, are ada... | 01/10/1978 |
| 4057259 | Collet stop and chuck assembly A simple inexpensive adapter and drill chuck to support a stop pin axially aligned in a collet chuck.... | 11/08/1977 |
| 4046390 | Dead stop step chuck An emergency chucking assembly is provided with a dead stop feature which prevents drawback when closing the collet. The assembly does not require a special collet to achieve the dead stop feature and can be used on any conventional collet, such as a one ... | 09/06/1977 |
| 4016941 | Hand-size fluid-powered tool reciprocator A portable and high-speed tool reciprocator for small tools, such as files, cutters, burnishing and polishing stones, leathers and the like, of a size easily held in one hand of an operator; fluid driven, preferably by a pneumatic fluid, the length of the... | 04/12/1977 |
| 3977687 | Holder for hollow articles A holder for supporting a hollow article includes a base, a plurality of resilient fingers extending outwardly from the base, and restraining means for maintaining proper alignment of the fingers. The resilient characteristic and the design of the fingers... | 08/31/1976 |
