Chucks or sockets – Socket type – Self-grasping
Patent
1993-10-22
1995-08-01
Bishop, Steven C.
Chucks or sockets
Socket type
Self-grasping
279 75, 279 82, 279905, B23B 31107
Patent
active
054374650
ABSTRACT:
A spindle sleeve (4) is provided for the rotary operation in a tool changing device on a hand-operated machine tool, especially a drill hammer for optional operation with a hammer drill or with another tool. To make rapid tool change possible with a simple design, a locking body (7), which co-rotates with the spindle sleeve (4), is mounted in at least one perforation (6) of the spindle sleeve (4). An adapter (14), on which the corresponding tool can be fixed, can be axially inserted into the spindle sleeve (4) with a guide surface (22, 23), and has depressions (13) for the locking bodies (7) for nonrotatable and axially nondisplaceable connection to the spindle sleeve (4). An outer sleeve (8), which blocks the locking bodies (7) in the depressions (13) in a locking position and radially releases them in its release position, is displaceably arranged on the spindle sleeve (4).
REFERENCES:
patent: 2736561 (1956-02-01), Hansen
patent: 5199833 (1993-04-01), Fehrle et al.
Hirt Dieter
Vogele Roland
Atlas Copco Elektrowerkzeuge GmbH
Bishop Steven C.
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