US3210123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side swinging type mining machine having cutter drum and chain
Assignee: Individual
•
Filing: 1961-03-09
•
Granted: 1965-10-05
•
Expires: 1981-03-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank A Delli-Gatti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:17
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/20; E21C27/24; F; F15; F15B; F15B11/00; F15B11/16; F15B11/17; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/20576; F15B2211/265; F15B2211/30; F15B2211/32; F15B2211/329; F15B2211/70; F15B2211/705; F15B2211/7058; F15B2211/71; F15B2211/7142; F15B2211/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A CUTTING HEAD COMPRISING AN ELONGATED ARM SUPPORT HAVING A FORWARD END; A CUTTER DRUM MOUNTED ON SAID FORWARD END OF SAID ARM SUPPORT FOR ROTATION RELATIVE THERETO ABOUT A GENERALLY HORIZONTAL AXIS SUBSTANTIALLY NORMAL TO THE LONGITUDINAL AXIS OF SAID ARM SUPPORT; SAID CUTTER DRUM HAVING A FORWARD PORTION; CUTTER ELEMENTS MOUNTED SUBSTANTIALLY IN A CONTINUOUS LINE PERIPHERALLY AROUND SAID FORWARD PORTION OF SAID DRUM; SPROCKET TEETH MOUNTED CIRCUMFERENTIALLY AROUND SAID DRUM SPACED REARWARDLY FROM SAID FORWARDLY PORTION; MEANS CARRIED BY SAID ARM SUPPORT FOR ROTATING SAID CUTTER DRUM; CHAIN GUIDE MEANS MOUNTED ON SAID ARM SUPPORT FOR ROTATION RELATIVE THERETO ABOUT A GENERALLY HORIZONTAL AXIS; A CUTTER CHAIN CARRIED BY SAID CHAIN GUIDE MEANS AND SAID SPROCKET TEETH FOR MOVEMENT THROUGH AN ENDLESS ORBITAL PATH IN A SUBSTANTIALLY VERTICAL PLANE.
Claim 2
Dependent Claim
132 words
A CUTTING HEAD COMPRISING AN ELONGATED ARM SUPPORT HAVING A FORWARD END; A CUTTER DRUM MOUNTED ON SAID FORWARD END OF SAID ARM SUPPORT FOR ROTATION RELATIVE THERETO ABOUT A GENERALLY HORIZONTAL AXIS SUBSTANTIALLY NORMAL TO THE LONGITUDINAL AXIS OF SAID ARM SUPPORT; SAID CUTTER DRUM HAVING A FORWARD PORTION; CUTTER ELEMENTS MOUNTED SUBSTANTIALLY IN A CONTINUOUS LINE PERIPHERALLY AROUND SAID FORWARD PORTION OF SAID DRUM; SPROCKET TEETH MOUNTED CIRCUMFERENTIALLY AROUND SAID DRUM SPACED REARWARDLY FROM SAID FORWARDLY PORTION; MEANS CARRIED BY SAID ARM SUPPORT FOR ROTATING SAID CUTTER DRUM; CHAIN GUIDE MEANS MOUNTED ON SAID ARM SUPPORT FOR ROTATION RELATIVE THERETO ABOUT A GENERALLY HORIZONTAL AXIS; A CUTTER CHAIN CARRIED BY SAID CHAIN GUIDE MEANS AND SAID SPROCKET TEETH FOR MOVEMENT THROUGH AN ENDLESS ORBITAL PATH IN A SUBSTANTIALLY VERTICAL PLANE.
References Cited (Backward Citations)
US3128998A
Cited
US2734731A
Cited
US1526558A
Cited
US1361996A
Cited
US1493701A
Cited
US1550087A
Cited
US1880091A
Cited
US1915001A
Cited
US2283212A
Cited
US2776823A
Cited
US2933294A
Cited
US2841379A
Cited
US2967701A
Cited
US2885196A
Cited
US2979319A
Cited
US3052454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |