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Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7258351 | Quick-action chuck A quick-action chuck, in particular for a power tool, has an actuating element (20) and a control device which includes at least one mechanism (12, 22, 36, 42, 50) for controlling at least one locking device (10) that serves to absorb a chucking... | 08/21/2007 |
| 7198439 | Quick chuck A quick chuck for a hand power tool has an actuating element, at least one arresting element for receiving a clamping support force, a control device having at least one control unit for controlling the at least one arresting element, the arresting element controlla... | 04/03/2007 |
| 7080964 | Tool chuck having a light transmitting capability A preferred embodiment of the invention comprises a tool chuck for a power hand tool of the type which has a generally cylindrical elongated housing with a motor contained within the housing or case and the motor having an output shaft that extends from the nose end... | 07/25/2006 |
| 5235878 | Stud gripper socket A circumferential bead for preventing pin rollover is disposed on a retainer insert mounted in the shell of a stud gripper socket and spaced from the inner surface of the shell. The shell has at least one cam surface on its inner surface and there are rol... | 08/17/1993 |
| 5192086 | Double ramp, full length grip collet A collet for gripping an associated cylindrical workpiece comprises a pair of actuating rings and a plurality of slide blocks. The slide blocks are held within a housing and feature a pair of opposed slots within each slide block. The slots are oriented a... | 03/09/1993 |
| 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 |
| 4724730 | Wrench socket with cam locking feature A cam lock socket has a plurality of pins having substantially oval-shaped cross-sections. The pins are received in complementary axially-extending circumferentially-spaced scalloped recesses formed in the socket body. When the socket is rotated in one di... | 02/16/1988 |
| 4712831 | Jaw alignment pin for a stretch jaw chuck A pin assembly for removably attaching a jaw portion of a translatable jaw of a stretch jaw chuck through an elongated slotted opening in the chuck wall. A bushing is threaded into mating threads in a bore in the jaw portion. The bushing has a centrally p... | 12/15/1987 |
| 4611513 | Open access stud gripping tool Stepped roller pins roll within stepped lobes formed around the interior wall of a hollow cylindrical casing. A hollow cylindrical retainer or simple ring retainer hook into a recessed groove around the middle of the roller and interact with ridges or gro... | 09/16/1986 |
| 4309041 | Machine tool collet A machine tool collet having a generally cylindrical body with a longitudinal axis. The collet is divided into a plurality of segments each having front and rear surfaces and endfaces with recesses. The recesses hold biasing springs which force each segme... | 01/05/1982 |
| 4284283 | Expansible chuck A chuck having a plurality of elastic and resilient compressible segments which have the general shape of a strip which, in longitudinal section, have a zig-zag configuration with flattened tops and bottoms, with upper and lower recesses which are filled ... | 08/18/1981 |
| 4251084 | Collets A collet is composed of a number of segments each separated from an adjacent segment by means of a resilient plate-like separator which is connected to the two adjacent segments. The opposed faces of the separator contact opposed radial side surfaces of t... | 02/17/1981 |
| 4214766 | Collet A collet, comprising a clamping head having a front side, having interior gripping surfaces in a longitudinal zone of the clamping head for gripping a workpiece, and having an exterior surface in the form of a frustum located at least partially in the sam... | 07/29/1980 |
| 3961800 | Stub collet A collet assembly comprising a spring body member having a cylindrical rear portion and a plurality of spring fingers extending axially therefrom, with an annular bead on the external periphery of the spring fingers near the distal end thereof. Work gripp... | 06/08/1976 |