Patent US3567027A successfully refreshed from Google Patents.
US3567027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for releasing and coupling filter plates in a filter press
Assignee: Kurita Machinery Manufacturing Co Ltd
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Filing: 1970-03-06
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Granted: 1971-03-02
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Expires: 1990-03-06
Abstract
Abstract Each of the filter plates is provided on opposite sides with stud members and actuating members having hook members pivotally mounted on the outer sides thereof and associated therewith. The hook portions of the hook members on a filter plate are adapted to be engaged with stud members on the following adjacent filter plate in the order of separation. Actuating pins to cooperate with the protrusions in the upper portions of the actuating members are provided on the preceding adjacent filter plate. When the preceding plate is released, the actuating members and hook members on the following filter plate adjacent to the preceding plate are forced to function to make the following plate ready for separation.
Inventors
- 👤 Ken-Ichiro Kurita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:47
CPC Classifications
B; B01; B01D; B01D25/00; B01D25/12; B01D25/172
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
123 words
An apparatus for releasing and coupling filter plates in a filter press comprising a stud member provided on each side of each filter plate, an actuating member pivotally mounted on each side of each filter plate and adapted to be inclined by a spring, a hook member pivotally mounted on said actuating member and associated therewith for engaging the stud member on a following filter plate, adjusting means relatedly disposed between said hook member and said actuating member, a protrusion formed on said actuating member, and a pin and a reengaging member mounted on each side of each filter plate and being so constructed and arranged along with the protrusion to be brought into engagemEnt with said protrusion on the following filter plate.
Claim 2
Independent Claim
123 words
An apparatus for releasing and coupling filter plates in a filter press comprising a stud member provided on each side of each filter plate, an actuating member pivotally mounted on each side of each filter plate and adapted to be inclined by a spring, a hook member pivotally mounted on said actuating member and associated therewith for engaging the stud member on a following filter plate, adjusting means relatedly disposed between said hook member and said actuating member, a protrusion formed on said actuating member, and a pin and a reengaging member mounted on each side of each filter plate and being so constructed and arranged along with the protrusion to be brought into engagemEnt with said protrusion on the following filter plate.
Claim 3
Dependent Claim
47 words
The apparatus for releasing and coupling filter plates in a filter press as claimed in claim 1 wherein the head portion of said hook member is provided with a slanting face which is adapted to be pushed upward by the stud member on a following filter plate.
Claim 4
Dependent Claim
46 words
The apparatus for releasing and coupling filter plates in a filter press as claimed in claim 1 wherein an adjusting member is provided at one portion of said hook member and a spring is disposed between the end of said adjusting member and said actuating member.
Claim 5
Dependent Claim
41 words
The apparatus for releasing and coupling filter plates in a filter press as claimed in claim 1 wherein said actuating member is provided with a leg at its lower portion and a stopper to be brought into contact with said leg.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |