Mechanical chuck
AssigneeSumitomo Electric Industries, Ltd.
InventorMichio SUZUKI
Life of this patent
Estimating the term…
Abstract
A mechanical chuck according to one embodiment includes a rotary member including a rotary shaft, a first threaded portion and a second threaded portion; and a first arm and a second arm that move along the axis as the rotary member rotates. The first arm includes a first latch portion that engages with the first threaded portion, and a first gripping portion that moves along the axis together with the first latch portion, and the second arm includes a second latch portion that engages with the second threaded portion, and a second gripping portion that moves along the axis together with the second latch portion. The first gripping portion and the second gripping portion move along the axis in opposite directions as the rotary member rotates.
Claims4
A mechanical chuck comprising:
- a rotary member including a rotary shaft, a first threaded portion that is a portion in which thread grooves are formed on the rotary shaft and which extends along an axis of the rotary shaft, and a second threaded portion that is a portion in which thread grooves are formed on the rotary shaft and which is configured to be plane-symmetrical to the first threaded portion with respect to a vertical plane perpendicular to the rotary shaft;
- and
- a first arm and a second arm that move along the axis as the rotary member rotates,
- wherein the first arm includes a first latch portion that engages with the first threaded portion, and a first gripping portion that moves along the axis together with the first latch portion,
- the second arm includes a second latch portion that engages with the second threaded portion, and a second gripping portion that moves along the axis together with the second latch portion, and
- the first gripping portion and the second gripping portion move along the axis in opposite directions as the rotary member rotates.
Dependencies are inferred from the claim text.