Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1991-03-29
1992-12-22
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
8117785, 285317, B25D 2100
Patent
active
051726122
ABSTRACT:
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.
REFERENCES:
patent: 3796502 (1974-03-01), Federspiel
patent: 4627761 (1986-12-01), Olson et al.
patent: 5090747 (1992-02-01), Kotake
Atlas Copco Tools AB
Smith James G.
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