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US 12,480,536 B2Granted
Pressure applying device
AssigneeEagle Industry Co., Ltd.
InventorsYoshihiro Ogawa, Kuniaki Miyake, Noriyuki Ogawa
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Abstract
There is provided a pressure applying device capable of applying pressure to a working object with a substantially constant force through a compact structure. The pressure applying device includes a pressure accumulating portion; a piston including a small-diameter portion inserted into a cylinder portion on a pressure accumulating portion side, and a large-diameter portion disposed close to a working object W; and a tubular body extending from the large-diameter portion to the cylinder portion. A lubricating fluid is held inside the tubular body.
Claims6
A pressure applying device, comprising:
- a pressure accumulating portion;
- a piston including a small-diameter portion inserted into a cylinder portion on a pressure accumulating portion side, and a large-diameter portion disposed close to a working object;
- and
- a tubular body extending from the large-diameter portion to the cylinder portion,
- wherein a lubricating fluid is held inside the tubular body.
2 more elements
Dependencies are inferred from the claim text.