Patent US3593958A successfully refreshed from Google Patents.
US3593958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatically operated valve means and parts therefore or the like
Assignee: Robertshaw Controls Co
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Filing: 1969-06-06
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Granted: 1971-07-20
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Expires: 1989-06-06
Abstract
Abstract A pneumatically operated device having a pair of cup-shaped housing members provided with cam-locking means at the respective open end of the housing members to secure the open ends together in compressed relation therebetween, a flexible diaphragm having an outer peripheral means disposed between the compressedtogether open ends of the housing members so that the diaphragm means is sealed thereto and cooperates with one of the housing members to define a chamber therebetween. The flexible diaphragm is operatively associated with a valve member for controlling the opening and closing of a valve seat means detachably carried by one of the housing members.
Inventors
- 👤 Klaus P Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:48
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F16K31/1262
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
228 words
A pneumatically operated device comprising a pair of cupshaped housing members respectively having open ends, said open ends respectively having cam-locking means cooperating together to secure said open ends of said housings together in compressed relation therebetween, and a flexible diaphragm having an outer peripheral means disposed between said compressed-together open ends of said housing members whereby said diaphragm means is sealed to said open ends of said housing members and cooperates with one of said housing members to define a chamber therebetween, one of said housing members having an annular flange extending therefrom at said open end thereof telescoping about said open end of said other housing member, said cam lock means of said one housing member comprising a plurality of wedgeshaped members extending inwardly from said annular flange in spaced and circumferential relation about the inside surface of said annular flange and each having an angularly disposed flat wedging surface, said other housing member having a plurality of outwardly directed wedge-shaped embers disposed in spaced and circumferential relation about the outside surface of said open end of said other housing member and each having an angularly disposed flat wedging surface facing in the opposite direction to said wedging surfaces of said one housing member while wedging thereagainst to secure said housing members together and to progressively compress said diaphragm therebetween as said wedging action is increased.
Claim 2
Dependent Claim
228 words
A pneumatically operated device comprising a pair of cupshaped housing members respectively having open ends, said open ends respectively having cam-locking means cooperating together to secure said open ends of said housings together in compressed relation therebetween, and a flexible diaphragm having an outer peripheral means disposed between said compressed-together open ends of said housing members whereby said diaphragm means is sealed to said open ends of said housing members and cooperates with one of said housing members to define a chamber therebetween, one of said housing members having an annular flange extending therefrom at said open end thereof telescoping about said open end of said other housing member, said cam lock means of said one housing member comprising a plurality of wedgeshaped members extending inwardly from said annular flange in spaced and circumferential relation about the inside surface of said annular flange and each having an angularly disposed flat wedging surface, said other housing member having a plurality of outwardly directed wedge-shaped embers disposed in spaced and circumferential relation about the outside surface of said open end of said other housing member and each having an angularly disposed flat wedging surface facing in the opposite direction to said wedging surfaces of said one housing member while wedging thereagainst to secure said housing members together and to progressively compress said diaphragm therebetween as said wedging action is increased.
Claim 3
Dependent Claim
21 words
A pneumatically operated device as set forth in claim 1 wherein said cam means are respectively integral with said housing members.
Claim 4
Dependent Claim
25 words
A pneumatically operated device as set forth in claim 2 wherein each housing member and its respective cam-locking means comprise a one-piece molded plastic structure.
Claim 5
Dependent Claim
51 words
A pneumatically operated device as set forth in claim 1 wherein said one housing member has opening means passing through said open end thereof inboard of said annular flange and in aligned relation with said wedge members to render said annular flange flexible in areas adjacent said wedge members carried thereby.
Claim 6
Dependent Claim
35 words
A pneumatically operated device as set forth in claim 1 wherein said open ends of said housing members each has a flat annular surface mating with the flat annular surface of the other housing member.
Claim 7
Dependent Claim
31 words
A pneumatically operated device as set forth in claim 5 wherein said wedge members of said other housing member are coplanar with said flat annular surface of said other housing member.
Claim 8
Dependent Claim
45 words
A pneumatically operated device as set forth in claim 5 wherein one of said housing members has an annular groove provided in said flat annular surface thereof, said flexible diaphragm having an annular bead at said outer peripheral means thereof received in said annular groove.
Claim 9
Dependent Claim
54 words
A pneumatically operated device as set forth in claim 1 wherein one of said housing members carries a valve seat means, a valve member being carried by said housing member carrying said valve seat means and being operatively associated with said diaphragm to be moved thereby to open and close said valve seat means.
Claim 10
Dependent Claim
27 words
A pneumatically operated device as set forth in claim 8 wherein said valve seat means has an inlet and an outlet interconnected together by a valve seat.
Claim 11
Dependent Claim
31 words
A pneumatically operated device as set forth in claim 9 wherein said valve seat means is a one-piece molded plastic structure detachably secured to said housing member carrying said valve member.
Claim 12
Dependent Claim
202 words
A pneumatically operated device comprising a pair of cup-shaped housing members respectively having open ends, said open ends respectively having cam-locking means cooperating together to secure said open ends of said housings together in compressed relation therebetween, and a flexible diaphragm having an outer peripheral means disposed between said compressed together open ends of said housing members whereby said diaphragm means is sealed to said open ends of said housing members and cooperates with one of said housing members to define a chamber therebetween, one of said housing members carrying a valve seat means, a valve member being carried by said housing member carrying said valve seat means and being operatively associated with said diaphragm to be moved thereby to open and close said valve seat means, said valve seat means having an inlet and an outlet interconnected together by a valve seat, said valve seat means being a one-piece molded plastic structure detachably secured to said housing member carrying said valve member, said inlet and said outlet of said valve seat means being defined in part by outwardly directed tubular extensions, and cylindrical metallic inserts being disposed respectively in said tubular extensions to reinforce the outer edges of said tubular extensions.
Claim 13
Dependent Claim
202 words
A pneumatically operated device comprising a pair of cup-shaped housing members respectively having open ends, said open ends respectively having cam-locking means cooperating together to secure said open ends of said housings together in compressed relation therebetween, and a flexible diaphragm having an outer peripheral means disposed between said compressed together open ends of said housing members whereby said diaphragm means is sealed to said open ends of said housing members and cooperates with one of said housing members to define a chamber therebetween, one of said housing members carrying a valve seat means, a valve member being carried by said housing member carrying said valve seat means and being operatively associated with said diaphragm to be moved thereby to open and close said valve seat means, said valve seat means having an inlet and an outlet interconnected together by a valve seat, said valve seat means being a one-piece molded plastic structure detachably secured to said housing member carrying said valve member, said inlet and said outlet of said valve seat means being defined in part by outwardly directed tubular extensions, and cylindrical metallic inserts being disposed respectively in said tubular extensions to reinforce the outer edges of said tubular extensions.
Claim 14
Dependent Claim
18 words
A pneumatically operated device as set forth in claim 11 wherein said tubular extensions have external threads thereon.
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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |