US3335556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article gripping mechanism
Assignee: FMC Corp
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Filing: 1965-01-18
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Granted: 1967-08-15
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Edgemond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:11
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A SHAKER MECHANISM, AN AXIALLY RECIPROCABLE BOOM, ARTICLE CLAMP MEANS CARRIED ON THE OUTER END OF SAID BOOM AND INCLUDING A PAIR OF OPPOSED YIELDABLE GRIPPER HEADS, EACH OF SAID GRIPPER HEADS INCLUDING A RIGID BASE, AND A SUBSTANTIALLY INEXTENSIBLE BUT FLEXIBLE CUP-SHAPED CAP, SAID CAP AND BASE DEFINING A CENTRAL CHAMBER, A FILLER OF SUBSTANTIALLY INCOMPRESSIBLE, AND MEANS ABLE MATERIAL COMPLETELY FILLING SAID CHAMBER, AND MEANS FOR EFFECTING RELATIVE MOVEMENT BETWEEN SAID HEADS TO CAUSE SAID HEADS TO GRIP AN ARTICLE TO BE SHAKEN, EACH OF SAID GRIPPER HEADS AUTOMATICALLY ADJUSTING ITSELF TO THE ARTICLE CONTOUR WITH SAID FILLER DIRECTLY TRANSMITTING MOVEMENT OF SAID BOOM TO THE ARTICLE DURING RECIPROCATION OF THE BOOM, THE VOLUME OF SAID CHAMBER REMAINING SUBSTANTIALLY CONSTANT.
Claim 2
Dependent Claim
123 words
IN A SHAKER MECHANISM, AN AXIALLY RECIPROCABLE BOOM, ARTICLE CLAMP MEANS CARRIED ON THE OUTER END OF SAID BOOM AND INCLUDING A PAIR OF OPPOSED YIELDABLE GRIPPER HEADS, EACH OF SAID GRIPPER HEADS INCLUDING A RIGID BASE, AND A SUBSTANTIALLY INEXTENSIBLE BUT FLEXIBLE CUP-SHAPED CAP, SAID CAP AND BASE DEFINING A CENTRAL CHAMBER, A FILLER OF SUBSTANTIALLY INCOMPRESSIBLE, AND MEANS ABLE MATERIAL COMPLETELY FILLING SAID CHAMBER, AND MEANS FOR EFFECTING RELATIVE MOVEMENT BETWEEN SAID HEADS TO CAUSE SAID HEADS TO GRIP AN ARTICLE TO BE SHAKEN, EACH OF SAID GRIPPER HEADS AUTOMATICALLY ADJUSTING ITSELF TO THE ARTICLE CONTOUR WITH SAID FILLER DIRECTLY TRANSMITTING MOVEMENT OF SAID BOOM TO THE ARTICLE DURING RECIPROCATION OF THE BOOM, THE VOLUME OF SAID CHAMBER REMAINING SUBSTANTIALLY CONSTANT.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |