Patent US3586889A successfully refreshed from Google Patents.
US3586889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for resiliently mounting transducer elements between a housing and an inertial mass
Assignee: GCO Inc
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Filing: 1968-11-04
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Granted: 1971-06-22
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Expires: 1988-11-04
Abstract
Abstract A piezoelectric disc of an electromechanical transducer is disposed between opposing cavities formed in metal fixtures. The cavities are filled with a resilient electrical conductive material of low volume compressibility such as conductive rubber. The metal fixtures, the opposite faces of the disc and the areas of conductive material are electrically insulated from one another by insulating rubber material.
Inventors
- 👤 Roland K Kolter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:10
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/16; G01V1/18; G01V1/181; B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0651; H; H04; H04R; H04R17/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
147 words
Means for mounting a piezoelectric element within a transducer in association with an inertial mass so that movement of said mass relative to said transducer impose forces on said element, comprising members constructed of resilient electrically conducted material disposed on each side of said piezoelectric element and having surfaces in engagement with that element which generally conform to the adjacent surfaces of said element, at least one of said members having a surface, opposite to that which is in engagement with said element, in engagement with said inertial mass, means electrically connecting opposite sides of said piezoelectric element through said electrical conductive members, a housing having a cover, said piezoelectric element being disposed intermediate said inertial mass and said housing, means for securing said cover to said housing, and elastic nonelectrical conducting material disposed intermediate adjacent Surfaces of said cover and said housing and said inertial mass.
Claim 2
Dependent Claim
147 words
Means for mounting a piezoelectric element within a transducer in association with an inertial mass so that movement of said mass relative to said transducer impose forces on said element, comprising members constructed of resilient electrically conducted material disposed on each side of said piezoelectric element and having surfaces in engagement with that element which generally conform to the adjacent surfaces of said element, at least one of said members having a surface, opposite to that which is in engagement with said element, in engagement with said inertial mass, means electrically connecting opposite sides of said piezoelectric element through said electrical conductive members, a housing having a cover, said piezoelectric element being disposed intermediate said inertial mass and said housing, means for securing said cover to said housing, and elastic nonelectrical conducting material disposed intermediate adjacent Surfaces of said cover and said housing and said inertial mass.
Claim 3
Dependent Claim
116 words
In the transducer device: a housing; a cover; means for mounting said cover to said housing; a mechanical force-transmitting member disposed within said housing, said cover member and said force-transmitting member having opposing similar cavities; resilient, electrically conducting members disposed in said cavities; a piezoelectric element disposed intermediate said members, whereby upon mounting said cover member to said housing said members are urged into clamping engagement with said piezoelectric element; means electrically connecting said members to a source of electrical power in order to apply electrical current to opposite faces of piezoelectric members; and elastic nonelectrically conducting material disposed in the spaces intermediate adjacent surfaces of said housing and said cover member, and said force-transmitting member.
Claim 4
Dependent Claim
116 words
In the transducer device: a housing; a cover; means for mounting said cover to said housing; a mechanical force-transmitting member disposed within said housing, said cover member and said force-transmitting member having opposing similar cavities; resilient, electrically conducting members disposed in said cavities; a piezoelectric element disposed intermediate said members, whereby upon mounting said cover member to said housing said members are urged into clamping engagement with said piezoelectric element; means electrically connecting said members to a source of electrical power in order to apply electrical current to opposite faces of piezoelectric members; and elastic nonelectrically conducting material disposed in the spaces intermediate adjacent surfaces of said housing and said cover member, and said force-transmitting member.
Claim 5
Dependent Claim
108 words
In a transducer device: a housing having a central cavity formed therein; an inertial mass disposed within said cavity; a piezoelectric element; a pair of resilient, electrically conducting members sandwiching said piezoelectric member between one surface of said cavity and said inertial mass; means electrically connecting said resilient, electrically conducting members to a source of electrical power; and elastic, nonelectrically conducting material disposed between all surfaces of the inertial member except those contacting said electrically conductive member and the walls of said cavity whereby said inertial mass is resiliently supported within said cavity by the combination of said elastic nonelectrically conducting material and said resilient electrically conducting member.
Claim 6
Dependent Claim
108 words
In a transducer device: a housing having a central cavity formed therein; an inertial mass disposed within said cavity; a piezoelectric element; a pair of resilient, electrically conducting members sandwiching said piezoelectric member between one surface of said cavity and said inertial mass; means electrically connecting said resilient, electrically conducting members to a source of electrical power; and elastic, nonelectrically conducting material disposed between all surfaces of the inertial member except those contacting said electrically conductive member and the walls of said cavity whereby said inertial mass is resiliently supported within said cavity by the combination of said elastic nonelectrically conducting material and said resilient electrically conducting member.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |