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US 9,616,536 B2Granted
Counterweight mechanism for swivel arrangement
AssigneeKen Ichi Machine Co., Ltd.
InventorMing-Yueh Yeh
Life of this patent
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Abstract
A counterweight mechanism for a swivel arrangement includes first and second counterweights each including a seat, an axle, and two cylinders. The swivel arrangement has one end adjacent to the axle. The axle is rotatably, partially disposed in the seat. Each cylinder has a first end pivotably secured to a position proximate to the axle and a second end pivotably secured to the seat.
Claims5
A counterweight mechanism for a swivel arrangement, which works in cooperation with a machine, the counterweight mechanism comprising:
- first and second counterweights each including a seat, an axle, and two cylinders;
- wherein in each of the first and second counterweights, the respective axle is rotatably disposed in the associated seat about a rotation axis;
- and
- wherein in each of the first and second counterweights, each of the respective two cylinders has a first end pivotably secured to the associated axle about a pivot axis that extends parallel to the rotation axis, and a second end pivotably secured to the associated seat, with the second ends of the respective two cylinders located diametrically opposite to each other relative to the rotation axis;
- and
- wherein in each of the first and second counterweights, the first and second ends of the respective two cylinders and the associated axle are all aligned with one another when the respective two cylinders are in a retracted state.
3 more elements
Dependencies are inferred from the claim text.