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Socket holder
| Details |
Inventors: Hansson, Gunnar C.;
Assignee: Atlas Copco Tools AB (SE)
Primary Examiner: Smith; James G.
Assistant Examiner:
Attorney, Agent or Firm: Watson, Cole, Grindle & Watson
When using hand-held electrically or pneumatically driven tools, for instance angled nut tighteners, different socket wrenches or box spanners (6) are used for different work processes. In order to enable a socket to be fitted quickly to a tool, the tool is provided with a manouverable socket holder (9), which also enables the socket to be readily removed from the tool. The socket holder includes a radially movable device (10) which is connected to the tool and which can be moved to positions in which it is excentric with or concentrical with the output shaft of the tool. A spring means (13) is provided for activation of the locking device to its excentric position relative to the output shaft, such as to hold a socket firmly thereto. The locking device (9) includes an inner, hook-shaped ring flange (12) whose internal diameter is greater than the diameter of an outer hooked flange (16) on the socket (6), therewith enabling the socket (6) to be released when the locking device (9) is positioned concentrically. |
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DETAILED DESCRIPTION I claim: 1.
A socket holder for detachably holding a socket on the tool output shaft of an electrically or pneumatically operated power wrench having a housing, wherein a locking device which is movably but non-rotatably connected to the power wrench housing is adjustable from a socket locking position to a socket release position against the action of a spring means, and in said locking position the locking device engages a groove on a socket so as to positively lock said socket against axial displacement.
2.
A socket holder according to claim 1, wherein the locking device is ring-shaped and is intended to be moved to a position in which it is eccentrical in relation to the tool output shaft so as to firmly hold a socket, and to be moved to a position in which it is located concentrically in relation to said output shaft, so as to enable a socket to be fitted to or removed from said socket holder.
3.
A socket holder according to claim 1, wherein the spring means is intended to act between the locking device and the tool, said spring means being ring-shaped.
4.
A socket holder according to claim 1, wherein the locking device is intended to be deactivated by an external device for displacing and removing the socket.
5.
A socket holder according to claim 4, wherein said external device is an abutment means provided at each socket location in a row of sockets on a socket rack.
6.
A socket holder according to claim 1, wherein the locking device is a locking ring.
7.
A socket holder according to claim 6, wherein the internal diameter of the locking ring is greater than the external diameter of the corresponding engagement part of the socket.
8.
A socket holder according to claim 6, wherein the locking ring is provided with a flange component which is ring-shaped and which engages the groove on the socket.
Description:
TECHNICAL FIELD The present invention relates to a socket-holder for a tool which together with said socket-holder, can be detachably connected to various sockets intended for different working procedures, preferably for tightening screw or nut joints
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