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US 4,467,681 AGranted
Chuck mechanism
OwnerJoseph A. Oeminginventor
Life of this patent
Estimating the term…
Abstract
A chuck mechamism for holding a workpiece during a machining operation comprising a frame, a stop block secured to the frame and an annular jaw slidably mounted within an annular channel in the frame. The jaw is movable between a clamping position in which a workpiece is held between the jaw and the stop block, and a nonclamping position. Preferably, the jaw includes a first sector and a second sector secured together by interlocking but spaced apart flanges. The flanges permit limited annular movement between the sectors.
Claims11
A chuck mechanism for stably supporting a workpiece during a machining operation upon the workpiece comprising:
- a frame;
- at least one workpiece support secured to said frame;
- an arcuate clamping jaw on said frame;
- and
- means on said frame for reversibly displacing said clamping jaw between a first rotational position in which said jaw is spaced apart from said workpiece support whereby a workpiece can be placed between said jaw and said at least one support, and a second rotational position, in which said jaw presses said workpiece against said at least one support,
- wherein said frame includes an annular channel in which said clamping jaw is annularly slidably mounted, and
- wherein said jaw further comprises two annular sectors, positioned circumferentially adjacent each other in said channel, one of said sectors being displaced by said means for displacing and means for enabling only limited movement between said sectors for providing a sudden impact against the other of said sectors when said one sector is displaced.
4 more elements
A chuck mechanism for stably supporting a workpiece during a machining operation upon the workpiece comprising:
- a frame;
- at least one workpiece support secured to said frame;
- an arcuate clamping jaw on said frame having an arcuate arm portion and a clamping surface formed at one end of said arm portion along a limited end portion of the inner periphery of said arcuate arm portion;
- and
- means on said frame for reversibly arcuately driving said clamping jaw through an arcuate path coinciding with the arc of said clamping jaw between a first rotational position in which said jaw is spaced apart from said workpiece support whereby a workpiece can be placed between said jaw and said at least one support, an a second rotational position, in which said jaw presses said workpiece against said at least one support;
- and
- wherein said jaw further comprises two annular sectors positioned circumferentially adjacent each other on said frame, one of said sectors being driven by said means for driving, and means for enabling only limited movement between said sectors for providing a sudden impact against the other of said sectors when said one sector is displaced.
4 more elements
A chuck mechanism for stably supporting a workpiece during a machining operation upon the workpiece comprising:
- a frame;
- at least one workpiece support secured to said frame;
- an arcuate clamping jaw having an arcuate arm portion and a clamping surface formed at one end of said arm portion along a limited end portion of the inner periphery of said arcuate arm portion;
- and
- means on said frame for reversibly arcuately driving said clamping jaw through an arcuate path coinciding with the arc of said arcuate arm portion between a first rotational position in which said jaw is spaced apart from said workpiece support whereby a workpiece can be placed between said jaw and said at least one support, and a second rotational position, in which said jaw presses said workpiece against said at least one support,
- wherein said frame includes an annular channel in which said clamping jaw is annularly slidably mounted, and
- wherein said jaw further comprises two annular sectors positioned circumferentially adjacent each other in said channel and means for enabling only limited movement between said sectors,
- said last mentioned means further comprising overlapping flanges formed on the adjacent ends of said sectors.
5 more elements
A chuck mechanism for stably supporting a workpiece during a machining operation upon the workpiece comprising:
- a frame;
- at least one workpiece support secured to said frame;
- an arcuate clamping jaw;
- and
- means on said frame for reversibly displacing said clamping jaw between a first rotational position in which said jaw is spaced apart from said workpiece support whereby a workpiece can be placed between said jaw and said at least one support, and a second rotational position, in which said jaw presses said workpiece against said at least one support,
- wherein said frame includes an annular channel in which clamping jaw is annularly slidably mounted, and
- wherein said jaw further comprises two annular sectors positioned circumferentially adjacent each other in said channel and means for enabling only limited movement between said sectors,
- said last mentioned means further comprising overlapping flanges formed on the adjacent ends of said sectors.
5 more elements
A chuck mechanism for stably supporting a workpiece during a machining operation upon the workpiece comprising:
- a frame;
- at least one workpiece support secured to said frame;
- an arcuate clamping jaw on said frame having an arcuate arm portion and a clamping surface formed at one end of said arm portion along a limited end portion of the inner periphery of said arcuate arm portion;
- and
- means on said frame for reversibly arcuately driving said clamping jaw through an arcuate path coinciding with the arc of said clamping jaw between a first rotational position in which said jaw is spaced apart from said workpiece support whereby a workpiece can be placed between said jaw and said at least one support, and a second rotational position, in which said jaw presses said workpiece against said at least one support;
- and
- wherein said jaw further comprises two annular sectors positioned circumferentially adjacent each other on said frame, and means for enabling only limited movement between said sectors,
- said last mentioned means further comprising overlapping flanges formed on the adjacent ends of said sectors.
5 more elements
Dependencies are inferred from the claim text.