Claims
- 1. A reciprocation apparatus with sealing mechanism comprising:
- a chamber having a side wall for supporting a sealing member,
- at least one reciprocation member movably provided in said chamber;
- a sealing member for slidably contacting with said reciprocation member;
- a first double bellows having a peripheral part and an inside part, said bellows contacting with said side wall at said peripheral part and with said reciprocation member at said inside part;
- a second double bellows having a peripheral part and an inside part, said bellows disposed at a postion opposing to said first double bellows said sealing member contacting with said side wall at said peripheral part and with said reciprocation member at said inside part;
- a first liquid room enclosed by said first double bellows, said side wall and said reciprocation member; and
- a second liquid room enclosed by said second double bellows, said side wall and said reciprocation member.
- 2. A reciprocation apparatus with sealing mechanism in accordance with claim 1 further comprising:
- a check valve for connecting said first liquid room and said second liquid room.
Priority Claims (2)
Number |
Date |
Country |
Kind |
60-145501 |
Jul 1985 |
JPX |
|
60-145526 |
Jul 1985 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 947,780, filed Dec. 30, 1986, now U.S. Pat. No. 4,769,992, issued Sept. 13, 1988.
US Referenced Citations (3)
Divisions (1)
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Number |
Date |
Country |
Parent |
947780 |
Dec 1986 |
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