Chucks or sockets – Socket type – Radially reciprocating jaws
Reexamination Certificate
2003-05-12
2008-12-30
Bryant, David P (Department: 3726)
Chucks or sockets
Socket type
Radially reciprocating jaws
C279S143000, C279S905000
Reexamination Certificate
active
07469909
ABSTRACT:
A chuck for receiving tools (1) that are operated by rotating around the axis thereof, particularly screwdriver bits, and having an insertion section (3) which is provided with a receiving cavity (2) having a non-circular cross-sectional area (3). The tool can be locked in the cavity (2) by a holding element (4) which is assigned to the cavity wall in order to prevent the tool from being withdrawn from the cavity (2). The holding element (4) can be deactivated by displacing an actuating member in a form of an actuating sleeve (5). The tool (1) rests backwards against the cavity (2). The tool (1) can be displaced from the resting position in the direction of the opening of the cavity (2) by actuating the actuating sleeve (5). In order to facilitate removal of the bit, the chuck also comprises components (15, 16, 17) for releasing the face (1) of the bit, and a magnet (9) which retains the bit in the cavity from the resting position.
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Abel Michael
Müller André
Strauch Martin
Bryant David P
Gates Eric A
Lucas & Mercanti LLP
Wera Werk Hermann Werner GmbH & Co. KG
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