Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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 |
| 6880831 | Power-actuated lathe chuck A chuck has a chuck body rotatable about a chuck axis, a plurality of holders angularly spaced about and radially displaceable on the body and each formed with an outwardly flared seat centered on a respective seat axis, and an actuator for radially displacing the h... | 04/19/2005 |
| 6547259 | Master and insert jaw system The jaw assembly includes a master jaw and an insert jaw. An engagement surface on the master jaw provides a mounting surface for the insert jaw. The master jaw is contoured to provide a minimum of mass opposite the mounting surface and opposite the engag... | 04/15/2003 |
| 6478311 | Expendable jaw system An expendable jaw combination for use in connection with a chuck for a lathe, milling machine, or the like to hold work stock. A receiver member is attached to the chuck, and an engagement member is provided in an elongated recess in the receiver member f... | 11/12/2002 |
| 5979914 | Top jaw with machinable inserts A lathe chuck jaw assembly utilizes top jaws which have replaceable inserts mounted to their clamping faces. The inserts are used to provide a contact surface to hold a workpiece during machining. The contact surfaces of the inserts may be machined for ma... | 11/09/1999 |
| 5944331 | Chuck adapter The master jaws in a three jaw chuck are located and maintained in position by a spacer having two plates which are located adjacent one another along edges which are inclined approximately 7° from the vertical. One plate is generally rectangular. The ot... | 08/31/1999 |
| 5791661 | Compliant chuck jaws A chuck has a plurality of top jaws for engaging a workpiece. Each top jaw has a recess and a slot that extend completely through the top jaw. The recess and slot allow the forward end of the top jaw to deflect in a rearward direction. This motion allows ... | 08/11/1998 |
| 5700019 | Chucking ring The chucking ring of this invention finds its principal utility in the clamping of top jaws used in a machine tool, such as a lathe, having a chuck and equipped to machine successive workpieces. The chucking ring includes a flanged head on one end of a tu... | 12/23/1997 |
| 5155898 | Rotary chuck soft jaws Soft jaws in a powered rotary chuck of a lathe are fixedly secured in position, during shaping of the jaws to fit a piece of work, by an annular boring fixture. The fixture is located concentric with the center of rotation of the chuck. The fixture has th... | 10/20/1992 |
| 5052254 | Lathe jaw securing device An arrangement to retain jaws of a lathe chuck assembly against movement which includes an annular securing ring having a central opening with a diameter generally equal to the outer diameter of the chuck assembly and where the lathe chuck includes radial... | 10/01/1991 |
| 5015003 | Top jaw assembly with replaceable work holding pads A top jaw assembly is adapted to be mounted on the master jaw of a chuck and includes a replaceable work holding pad. The top jaw assembly includes a top jaw formed with a first support surface lying in an axial plane and a second support surface bored co... | 05/14/1991 |
| 4946177 | System for rapidly changing clamping jaws on a machine tool A system is provided for the rapid change, among others, of clamping jaws on a machine-tool which comprises self-blocking means for locking a jaw for clamping a workpiece from the inside or a jaw for clamping a workpiece from the outside. The jaw-holder i... | 08/07/1990 |
| 4928981 | Jaw locking means for chucks A lock ring device for locking the soft jaws of a lathe chuck or the like at a desired position for the machining of the work engaging surfaces of the soft jaws, the device being adjustable to position the jaws in the locking position for the exact amount... | 05/29/1990 |
| 4746131 | Apparatus for internal chucking of soft three-jaw chucks on lathes An apparatus for the internal chucking of a soft three-jaw chuck on lathes is provided to enable the three jaws to be positioned so that they can be bored out to a high precise chucking dimension. The apparatus includes two rotatable triangular clamping p... | 05/24/1988 |
| 4696482 | Jaw locking means for chucks A lock ring device for locking the soft jaws of a lathe chuck or the like for holding the jaws during the machining thereof to fit a workpiece to be held by the jaws, the device being adjustable to adjust the jaws in the locking position for the exact amo... | 09/29/1987 |
| 4640518 | Jaw locking means for lathe chucks To firmly retain the jaw of a lathe chuck against movement it is provided with a locking mechanism having a pair of locking members arranged to bear on the chuck face, and an actuating means adjustably mounted on the jaw so as to force the locking members... | 02/03/1987 |
| 4556228 | Jaw locking mechanism for lathe chucks having a soft jaw, a master jaw and a key block To firmly retain the jaw of a lathe chuck against movement it is formed with a transverse slot in its bottom, a key-like block is inserted in the slot and has a pair of leg members arranged to bear on the chuck face, and a screw member is threadedly mount... | 12/03/1985 |
| 4223898 | Retainer device for chuck jaws A retainer device which is adapted to block temporarily in a predetermined relative position the hard-steel jaws of a chuck comprises a carrier ring on which there are slidably mounted and lockable in radial direction, a plurality of blocking slides, each... | 09/23/1980 |
| 4041612 | Jaw tensioning device A device for radially tensioning the jaws of a chuck to permit the jaws to be accurately machined. The device comprises a flat ring coaxially mounted onto the chuck and having a cam slot formed therein for each of the jaws of the chuck. A cam follower is ... | 08/16/1977 |
| 3945654 | Chuck jaw and spindle alignment attachment Provides an annular frame for attachment to the outer end of a circle of soft jaws carried by a radially adjustable chuck of a rotary machining assembly, whereby in spite of looseness or misalignment of the chuck jaws, their soft jaws can then be shaped t... | 03/23/1976 |
