US3333219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic impact vibrator
Assignee: Shinko Electric Co Ltd
•
Filing: 1965-09-22
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Granted: 1967-07-25
•
Expires: 1985-09-22
Abstract
No abstract record available.
Inventors
- 👤 Makino Shinobu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:08
CPC Classifications
H; H02; H02K; H02K33/00; H02K33/02; H02K33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
AN ELECTROMAGNETIC IMPACT VIBRATOR COMPRISING, A BASE FOR MOUNTING SAID VIBRATOR ON A SURFACE TO WHICH VIBRATION IS TO BE IMPARTED, MEANS COMPRISING AN IMPACT MEMBER FIXED RELATIVE TO SAID BASE AND INCLUDING AN IMPACT SURFACE FOR RECEIVING PERIODIC IMPARTS FOR VIBRATING SAID VIBRATOR, A VIBRATORY SYSTEM OPERABLE IN A PRINCIPAL MODE OF VIBRATION FOR PERIODICALLY IMPACTING SAID IMPACT MEMBER COMPRISING AN ARMATURE HAVING A MAGNETIZABLE PORTION AND DISPOSED VIBRATABLE TOWARD SAID IMPACT MEMBER FOR PERIODICALLY IMPACTING IT, ELECTROMAGNETIC MEANS PERIODICALLY ATTRACTING SAID ARMATURE TO AN OPERATIVE POSITION IN WHICH IT ENGAGES AND IMPACTS SAID IMPACT MEMBER, AN ANNULAR ELASTIC ELEMENT MOUNTING SAID ARMATURE IN A REST POSITION SPACED FROM SAID IMPACT MEMBER AND RESTORING SAID ARMATURE TOWARD SAID REST POSITION SUBSEQUENT TO EACH IMPACT OF SAID ARMATURE ON SAID IMPACT MEMBER.
Claim 2
Dependent Claim
132 words
AN ELECTROMAGNETIC IMPACT VIBRATOR COMPRISING, A BASE FOR MOUNTING SAID VIBRATOR ON A SURFACE TO WHICH VIBRATION IS TO BE IMPARTED, MEANS COMPRISING AN IMPACT MEMBER FIXED RELATIVE TO SAID BASE AND INCLUDING AN IMPACT SURFACE FOR RECEIVING PERIODIC IMPARTS FOR VIBRATING SAID VIBRATOR, A VIBRATORY SYSTEM OPERABLE IN A PRINCIPAL MODE OF VIBRATION FOR PERIODICALLY IMPACTING SAID IMPACT MEMBER COMPRISING AN ARMATURE HAVING A MAGNETIZABLE PORTION AND DISPOSED VIBRATABLE TOWARD SAID IMPACT MEMBER FOR PERIODICALLY IMPACTING IT, ELECTROMAGNETIC MEANS PERIODICALLY ATTRACTING SAID ARMATURE TO AN OPERATIVE POSITION IN WHICH IT ENGAGES AND IMPACTS SAID IMPACT MEMBER, AN ANNULAR ELASTIC ELEMENT MOUNTING SAID ARMATURE IN A REST POSITION SPACED FROM SAID IMPACT MEMBER AND RESTORING SAID ARMATURE TOWARD SAID REST POSITION SUBSEQUENT TO EACH IMPACT OF SAID ARMATURE ON SAID IMPACT MEMBER.
References Cited (Backward Citations)
US2444134A
Cited
US2875989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |