Patent US3675349A successfully refreshed from Google Patents.
US3675349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ripping tool supported scoop for excavator
Assignee: CNH Industrial Baumaschinen GmbH
•
Filing: 1970-06-25
•
Granted: 1972-07-11
•
Expires: 1990-06-25
Abstract
Abstract An excavator having a ripping tool secured thereto and a scoop detachably secured to and supported by the ripping tool, thereby avoiding the need to remove the ripping tool from the excavator when scoop operation is required.
Inventors
- 👤 Dieter G Luck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:10
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/96; E02F3/962; Y; Y10; Y10S; Y10S414/00; Y10S414/125
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
80 words
An excavator including a dipper arm, a ripping tool pivotally mounted on said dipper arm about a pivot mounting extending transversely with respect thereto, a scoop detachably secured on opposite sides of said pivot mounting and fixedly retained on the front surface of said ripping tool, a portion of said front surface being in supporting engagement with said scoop whereby said scoop is supported by said front surface portion and said pivot mounting for pivotal movement with said ripping tool.
Claim 2
Dependent Claim
80 words
An excavator including a dipper arm, a ripping tool pivotally mounted on said dipper arm about a pivot mounting extending transversely with respect thereto, a scoop detachably secured on opposite sides of said pivot mounting and fixedly retained on the front surface of said ripping tool, a portion of said front surface being in supporting engagement with said scoop whereby said scoop is supported by said front surface portion and said pivot mounting for pivotal movement with said ripping tool.
Claim 3
Dependent Claim
29 words
The excavator according to claim 1 wherein said scoop is provided with spaced plates extending rearwardly therefrom to thereby define a channel for the reception of said ripping tool.
Claim 4
Dependent Claim
32 words
The excavator according to claim 1 wherein said pivot mounting comprises a pivot pin, and wherein said pin is surrounded by spaced bushings with said scoop being detachably secured to said bushings.
Claim 5
Dependent Claim
62 words
The excavator according to claim 2 wherein said plates each have an opening therein located between said front surface portion and said pivot mounting and being in axial alignment with an opening provided in said dipper arm, a retaining pin extending through said openings whereby said retaining ring serves solely to retain said scoop in place at said ripping tool front surface.
References Cited (Backward Citations)
US900413A
Cited
US2674818A
Cited
US2830392A
Cited
US2817168A
Cited
US2935802A
Cited
US3061123A
Cited
US3039210A
Cited
FR1488457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |