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US 12,728,503 B2Granted
Clamping device
AssigneePascal Engineering Corporation
InventorTakuya Takahashi
Life of this patent
Estimating the term…
Abstract
A cylinder main body is provided with a first port that supplies fluid pressure to a first cylinder chamber, and a second port that supplies fluid pressure to a second cylinder chamber. The fluid pressure supplied to the first port is transmitted to the first cylinder chamber via a clearance formed in a double tube structure.
Claims10
A clamping device that is able to fix a fixation-target object to a base body, the clamping device comprising:
- a cylinder main body configured to be fixed to the base body;
- an output member reciprocally movable with respect to the cylinder main body;
- a first cylinder chamber that is configured to drive the output member in a first direction;
- and
- a second cylinder chamber that is configured to drive the output member in a second direction, wherein
- the cylinder main body includes a main body portion having a double tube structure with an inner peripheral tube portion and an outer peripheral tube portion, and a clearance is formed between the inner peripheral tube portion and the outer peripheral tube portion,
- the output member includes a rod portion protruding from the cylinder main body, and a piston portion connected to the rod portion and partitioning a space inside the inner peripheral tube portion into the first cylinder chamber and the second cylinder chamber,
- the cylinder main body is provided with a first port that is configured to supply fluid pressure to the first cylinder chamber, and a second port that is configured to supply fluid pressure to the second cylinder chamber, and
- the fluid pressure supplied to the first port is transmitted to the first cylinder chamber via the clearance formed in the double tube structure.
6 more elements
Dependencies are inferred from the claim text.