Patent EP0255751A1 successfully refreshed from Google Patents.
EP0255751A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
A soil cultivating machine
Assignee: C Van der Lely NV
•
Filing: 1987-08-05
•
Granted: —
•
Expires: 2007-08-05
Abstract
Abstract The invention relates to a soil cultivating machine comprising a frame and a roller (13, 47, 48) for cultivating the soil. The roller (13) is provided with a scraping device (23) that is power-driven and the roller (13) is drivable from the tractor via a flexible drive. The flexible drive is achieved by means of the scraping device (23) that comprises a rotatable scraping member (22), which at the side facing the roller (13) has the same direction of rotation as the roller (13). The scraping device may afford a common scraping device (50) for a roller construction comprising two rollers (47, 48) arranged one behind the other with respect to the direction of travel of the implement. The common scraping device (50) comprises a scraper member (51) that at the side facing the respective rollers (47, 48) of the roller construction rotates in the same direction as same.
Inventors
- 👤 Cornelis Van Der Lely
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 02:17
CPC Classifications
A; A01; A01B; A01B49/00; A01B49/02; A01B49/022; A01B49/025; A01B29/00; A01B29/04; A01B29/045; A01B29/06
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
33 words
A soil cultivating machine comprising a frame and a roller for cultivating the soil, characterized in that the roller (13, 47, 48) is provided with a scraping device (23, 50) which is power-driven.
Claim 2
Dependent Claim
33 words
A soil cultivating machine comprising a frame and a roller for cultivating the soil, characterized in that the roller (13, 47, 48) is provided with a scraping device (23, 50) which is power-driven.
Claim 3
Dependent Claim
26 words
A soil cultivating machine as claimed in claim 1, characterized in that the roller (13, 47, 48) is drivable from the tractor via a flexible drive.
Claim 4
Dependent Claim
40 words
A soil cultivating machine as claimed in claim 1 or 2, characterized in that the scraping device (23, 50) is rotatable and, at the side facing the roller (13, 47, 48), has the same direction of rotation as the roller.
Claim 5
Dependent Claim
31 words
A soil cultivating machine as claimed in any one of the preceding claims, characterized in that, during operation, the roller (13, 47, 48) is drivable via the scraping device (23, 50).
Claim 6
Dependent Claim
45 words
A soil cultivating machine as claimed in any one of the preceding claims, characterized in that the scraping device (23) includes a scraping member (22) having a hollow carrier formed by a plurality of plates (24) extending in the direction of the axis of rotation.
Claim 7
Dependent Claim
29 words
A soil cultivating machine as claimed in claim 5, characterized in that the plates (24) are detachably interconnected, said plates (24) forming at one side a blade-shaped portion (26).
Claim 8
Dependent Claim
64 words
A soil cultivating machine as claimed in any one of the preceding claims, characterized in that a scraper member (22, 51) of a scraper device (23, 50) is rotatably supported in a carrier construction which is provided pivotally with respect to the roller (13, 47, 48), and that a spring (30) is provided which maintains the scraper member (22, 51) in the desired position.
Claim 9
Dependent Claim
52 words
A soil cultivating machine as claimed in claim 7, characterized in that the carrier structure bears against an adjustable stop (32), by means of which the spacing between the blade-shaped portions (26, 53) of the scraper member (22, 51) and the outer circumference of the roller (13, 47, 48) can be set.
Claim 10
Dependent Claim
83 words
A soil cultivating machine as claimed in claim 8, characterized in that the roller (13, 47, 48) includes a tubular portion (14, 14A, 14B), on which rings (15, 15A, 15B) are disposed equidistantly from each other, and that the blade shaped portion (26, 53) of the scraper member (22, 51) have recesses (27), which blade-shaped portions (26, 53) extend between the rings (15, 15A, 15B) to near the outer circumference of the tubular portion (14, 14A, 14B) of the roller (13, 47, 48).
Claim 11
Dependent Claim
65 words
A soil cultivating machine as claimed in any one of claims 2 to 9, characterized in that the flexible drive of the roller (13, 47, 48) is obtained by the scraping device (23, 50) via the adhering earth to be removed by the scraper member (22, 51), whilst the quantity of earth to be scraped-off determines the driving force for the roller (13, 47, 48).
Claim 12
Dependent Claim
34 words
A soil cultivating machine as claimed in any one of the preceding claims 5 to 10, characterized in that the scraper member (22, 51) is driven at a rotational speed of approximately 350 revs/min.
Claim 13
Dependent Claim
65 words
A soil cultivating machine as claimed in any one of the preceding claims, characterized in that two tubular portions (14A, 14B), each associated with a roller (13, 47, 48), are arranged behind each other and a common scraping device (50) is provided for both rollers, whilst the rotating scraper member (51) rotates in the same direction as the rollers at its side facing the rollers.
Claim 14
Dependent Claim
31 words
A soil cultivating machine as claimed in claim 12, characterized in that the common scraping device (50) is arranged above the tubular portions (14A, 14B) of the respective rollers (47, 48).
Claim 15
Dependent Claim
39 words
A soil cultivating machine as claimed in claim 12 or 13, characterized in that the tubular portion (14B) of the rearmost roller (48) has a smaller diameter, and each tubular portion (14A, 14B) is provided with rings (15A, 15B).
Claim 16
Dependent Claim
57 words
A soil cultivating machine as claimed in any one of claims 12 to 14, characterized in that the common scraping device (50) includes a scraper member (51) which is driven such that at the side facing the tubular portions (14A, 14B) of the respective rollers (47, 48) it rotates in the same direction as the tubular portions.
Claim 17
Dependent Claim
44 words
A soil cultivating machine as claimed in any one of claims 1 to 4 or any one of claims 12 to 15, characterized in that a scraper member (51) which includes a tubular carrier (52), on which radially extending blade-shaped portions (53) are provided.
Claim 18
Dependent Claim
29 words
A soil cultivating machine as claimed in any one of the preceding claims, characterized in that the drive for the scraping device (23, 50) includes a telescopic shaft (39).
Claim 19
Dependent Claim
92 words
A soil cultivating machine as claimed in any one of the preceding claims, characterized in that it comprises a plurality of power-driven soil working members (3) which are arranged in a row extending transversely to the direction of operative travel, behind which the roller (13) or roller structure (47, 48), respectively, is arranged for setting the working depth of the soil working members (3) and the scraping device (23, 50) is drivable via the same drive as that by means of which the drive of the soil working members (3) is obtained.
References Cited (Backward Citations)
FR2558679A1
Cited
DE8519861U1
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.