Chucks or sockets – Socket type – Lost motion
Reexamination Certificate
2007-08-21
2007-08-21
Carter, Monica (Department: 3722)
Chucks or sockets
Socket type
Lost motion
C279S019300
Reexamination Certificate
active
10995741
ABSTRACT:
A chuck for receiving a working tool (2) rotable about a longitudinal axis (A) includes a receiving sleeve (3) having a guide surface (12) extending along the longitudinal axis (A) and at least three, axially extending, up to a free end surface (4) of the chuck (1), entraining grooves (5) located in front of the guide surface (12), arranged radially outside of the radial dimension (R) at angles of 0°, 120°, and 240°, and each having a central angle (α) defined with respect to the radial dimension (R) and amounting to at least 40°; and at least one locking member (6) radially displaceable over the radial dimension (R) and arranged between two circumferentially adjacent entraining grooves (5) and diametrically opposite a third entraining groove (5).
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Britten Werner
Kleine Werner
Abelman ,Frayne & Schwab
Carter Monica
Hilti Aktiengesellschaft
Talbot Michael W.
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