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| Number | Title | Issue Date |
| 8020877 | Self-centering chuck A self-centering chuck is provided for accurately fixing the position of workpieces on tables. The chuck has a basic body with guide grooves, a threaded spindle with right-handed and left-handed external threads and a centrally arranged groove, two slides screwed on... | 09/20/2011 |
| 7147412 | Doweling jig for woodworking The invention relates generally to clamping devices and mechanisms which provide versatile and/or accurate coupling between the communicating members. Some embodiments relate to the field of woodworking and a doweling jig therefor having a hinged jaw mechanism to pr... | 12/12/2006 |
| 6948720 | Computer controlled positioning table A computer controlled positioning table for use in automatically rotating a large diameter article into which an evenly spaced circle of bolt holes are to be drilled. The article to be drilled is centered and clamped onto a table top of the table and then the comput... | 09/27/2005 |
| 6799767 | Chuck device A chuck device includes a first worm gear mechanism linked to a second worm wheel mechanism which operate in tandem to receive, increase, and redirect an input rotational drive force. A conversion mechanism receives and further augments the force from the second wor... | 10/05/2004 |
| 6217656 | Pan holder for coating process A holder is provided for holding a pan or other article during the process of applying a coating, such as a non-stick release coating, to the article's surface. The pan holder includes a pan holding member for holding the pan in position on the pan holder... | 04/17/2001 |
| 5497443 | End machining apparatus and holding fixtures for optical connectors Provided is an optical connector end machining apparatus (1) which comprises a removing section (10) for removing an adhesive agent swollen on the respective end faces of optical connectors, a polishing section (20) located adjacent to the removing sectio... | 03/05/1996 |
| 4951535 | Apparatus for actuating the clamping jaws of a chuck An apparatus for actuating clamping jaws of a chuck via an adjustment member that, to produce a rotational adjustment movement, is drivingly connected with an actuator formed from a reversible drive motor and a subsequent gear mechanism that is drivingly ... | 08/28/1990 |
| 4534574 | Lightweight chuck for woodturning lathe The disclosed chuck has a cylindrical body and a mounting hub secured thereto for concentrically connecting the body to the powered spindle of a lightweight woodturning lathe. The body has a faceplate opposite the mounting hub, and radial grooves are form... | 08/13/1985 |
| 4482163 | Spindle powered adjustable chuck A spindle powered adjustable chuck for forcefully gripping a workpiece capable of automatically adjusting gripping diameter comprising a support frame having a plurality of radially oriented jaw receiving compartments, jaws displaceable within the jaw rec... | 11/13/1984 |
| 4429887 | 4-Jaw work holding lathe chuck Locking mechanism for the adjusting mechanism of a 4-jaw work holding rotary chuck of the kind having oppositely disposed pairs of jaws normally adjusted in position with equal and opposite movement but having provision for differential adjustment of one ... | 02/07/1984 |
| 4261587 | Mechanical chucking device The present mechanical chucking device especially for a testing apparatus, has a friction reducing layer interposed between the clamping members and a base plate and another friction reducing layer interposed between the base plate and securing elements f... | 04/14/1981 |
| 4258928 | Precision positioning device A precision positioning device with a pair of relatively movable plates defining a carriage for four relatively movable guides. A centering port having a rectangular profile is formed by the guides which are constrained for mutually coating movement on th... | 03/31/1981 |
| 4192521 | 4-Jaw work holding chucks A 4-jaw work holding chuck the jaws of which are adjustable in oppositely disposed pairs, each pair of jaws being adjustable towards or away from each other simultaneously by a respective one of a pair of adjusting screws.... | 03/11/1980 |
| 4174847 | Precision centering device A precision centering device with a pair of relatively movable plates forming a guideway for four relatively movable guides. A tapered centering port having a rectangular profile is formed by the guides which are constrained for mutual coacting movement b... | 11/20/1979 |
