Drill chuck with matching jaw and jaw passageways

Details Drill chuck with matching jaw and jaw passageways Drill chuck with matching jaw and jaw passageways

1998-01-30

1999-07-06

Bishop, Steven C.

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

279 60, 279123, 279158, 279902, B23B 3112

Patent

active

059188871

ABSTRACT:
A chuck device for use with a manual or powered driver has a body member with a plurality of angularly disposed passageways formed therethrough. A jaw is slidably positioned in each passageway. Each jaw has a tool engaging face formed on one side and threads formed on the opposite side. The jaws are threadedly engaged with a rotatable nut mounted on the body member. A sleeve member is in rotational engagement with a nut whereby rotation of the sleeve causes the nut to rotate and the jaws to advance or retract within their respective passageways. Each jaw and its respective passageway has a unique matching profile different from the other jaws and respective passageways so that the jaws cannot be interchanged with different passageways in the chuck.

REFERENCES:
patent: 3910589 (1975-10-01), Derbyshire
patent: 4154450 (1979-05-01), Derbyshire
patent: 5348317 (1994-09-01), Steadings et al.
patent: 5816583 (1998-10-01), Middleton

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