Patent US3791052A successfully refreshed from Google Patents.
US3791052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor comprising a pivotable driver seat
Assignee: C Van der Lely NV
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Filing: 1971-01-25
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Granted: 1974-02-12
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Expires: 1991-01-25
Abstract
Abstract A tractor has a driver seat mounted on a body which is preferably flat. The seat is connected to the frame by a pivotable arm so that the seat can be moved laterally relative to the remainder of the tractor. The tractor has a hydraulic system, including lifts and supports which can furnish support and connection for earth moving attachments.
Inventors
- 👤 Der Lely C Van
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:34
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/16; E02F9/166; B; B60; B60N; B60N2/00; B60N2/24; B60N2/38; B62; B62D; B62D33/00; B62D33/06; B62D33/063; B62D33/0636; E02F3/00; E02F3/04; E02F3/08; E02F3/28; E02F3/283; E02F3/36; E02F3/38; E02F3/382; E02F3/384; E02F3/76; E02F3/7636; E02F3/764; E02F3/769; E02F3/7695; E02F3/96; E02F9/02; E02F9/024
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
132 words
A tractor comprising a wheeled frame and a displaceable driver seat positionable at the forward end and laterally of said frame, a plurality of vertical lifting members being supported on said frame to receive a detachable implement, said implement comprising an earth digging tool having frame means with adjustable support elements connected thereto to hold the implement above the ground, independant of the tractor whereby the tractor can be moved under the implement and attached to said implement, said implement having an operating digging tool extending in front of said frame and driver seat, said tool being pivotally connected to said frame means, said frame means comprising an adjustable support and a conveyor mounted on said support, a hydraulic cylinder interconnecting said support with the frame means to raise and lower same.
Claim 2
Dependent Claim
132 words
A tractor comprising a wheeled frame and a displaceable driver seat positionable at the forward end and laterally of said frame, a plurality of vertical lifting members being supported on said frame to receive a detachable implement, said implement comprising an earth digging tool having frame means with adjustable support elements connected thereto to hold the implement above the ground, independant of the tractor whereby the tractor can be moved under the implement and attached to said implement, said implement having an operating digging tool extending in front of said frame and driver seat, said tool being pivotally connected to said frame means, said frame means comprising an adjustable support and a conveyor mounted on said support, a hydraulic cylinder interconnecting said support with the frame means to raise and lower same.
Claim 3
Dependent Claim
153 words
A tractor comprising a wheeled frame and a displaceable driver seat positionable at the forward end and laterally of said frame, a plurality of vertical lifting members being supported on said frame to receive a detachable implement, said implement comprising an earth digging tool having frame means with adjustable support elements connected thereto to hold the implement above the ground independent of the tractor whereby the tractor, including the frame, can be moved under the frame means of the implement and attached to said implement, said implement having an operating digging tool including at least one conveyor positioned adjacent the front end of said tractor to receive dugup material from the tool anD convey same to the rear of the driver seat, said tool being pivotally connected to said frame means and hydraulic cylinder means operatively connected to said digging tool to move same, said cylinder means being secured to said frame means.
Claim 4
Dependent Claim
153 words
A tractor comprising a wheeled frame and a displaceable driver seat positionable at the forward end and laterally of said frame, a plurality of vertical lifting members being supported on said frame to receive a detachable implement, said implement comprising an earth digging tool having frame means with adjustable support elements connected thereto to hold the implement above the ground independent of the tractor whereby the tractor, including the frame, can be moved under the frame means of the implement and attached to said implement, said implement having an operating digging tool including at least one conveyor positioned adjacent the front end of said tractor to receive dugup material from the tool anD convey same to the rear of the driver seat, said tool being pivotally connected to said frame means and hydraulic cylinder means operatively connected to said digging tool to move same, said cylinder means being secured to said frame means.
Claim 5
Dependent Claim
37 words
A tractor as claimed in claim 2, wherein said frame means includes beams and there are at least four support elements connected to said beams, said vertical lifting members of the frame being interfitted with said beams.
Claim 6
Dependent Claim
21 words
A tractor as claimed in claim 2, wherein said vertical lifting members are connected to the frame means of the implement.
Claim 7
Dependent Claim
38 words
A tractor as claimed in claim 2, wherein a two point lifting device is connected to the forward end of said frame below said driver seat, said lifting device having coupling means for connecting same to the implement.
Claim 8
Dependent Claim
23 words
A tractor as claimed in claim 2, wherein a loading trough is mounted on said frame to receive the material from said conveyor.
Claim 9
Dependent Claim
28 words
A tractor as claimed in claim 6, wherein there are a plurality of conveyors that communicate with one another positioned between the digging tool and the loading trough.
Claim 10
Dependent Claim
20 words
A tractor as claimed in claim 6, wherein said trough is pivotally mounted on the upper surfaces of said tractor.
Claim 11
Dependent Claim
35 words
A tractor as claimed in claim 2, wherein the width of the digging tool is at least equal to the width of said frame and greater than the width of the wheels supporting the frame.
Claim 12
Dependent Claim
42 words
A tractor as claimed in claim 2, wherein said implement is coupled at the front of the tractor and said support elements include at least two telescopting supports which are displaceable laterally with respect to the driver seat to support the implement.
Claim 13
Dependent Claim
43 words
A tractor as claimed in claim 1, wherein a loading trough is pivotally mounted on said frame to the rear of said driver cabin, said trough having a conveyor floor and being pivotable to position said floor at right angles to said conveyor.
Claim 14
Dependent Claim
152 words
A tractor comprising a wheeled frame and a displaceable driver seat positionable at the forward end and laterally of said frame, a plurality of vertical lifting members being supported on said frame to receive a detachable implement, said implement comprising an earth digging tool having frame means with adjustable support elements connected thereto to hold the implement above the ground independent of the tractor whereby the tractor, including the frame, can be moved under the frame means of the implement and the lifting members attached to said implement, said implement having an operating digging tool extending in front of said frame and driver seat, said tool being connected to arm means which extends to the rear of the driver seat and said arm means being connected to said frame means, hydraulic cylinder means operatively connected to said digging tool to move same and said cylinder means being secured to said frame means.
Claim 15
Dependent Claim
152 words
A tractor comprising a wheeled frame and a displaceable driver seat positionable at the forward end and laterally of said frame, a plurality of vertical lifting members being supported on said frame to receive a detachable implement, said implement comprising an earth digging tool having frame means with adjustable support elements connected thereto to hold the implement above the ground independent of the tractor whereby the tractor, including the frame, can be moved under the frame means of the implement and the lifting members attached to said implement, said implement having an operating digging tool extending in front of said frame and driver seat, said tool being connected to arm means which extends to the rear of the driver seat and said arm means being connected to said frame means, hydraulic cylinder means operatively connected to said digging tool to move same and said cylinder means being secured to said frame means.
Claim 16
Dependent Claim
164 words
A tractor comprising a wheeled frame and a displaceable driver seat positionable at the forward end and laterally of said frame, a plurality of vertical lifting members being supported on said frame to receive a detachable implement, said implement comprising an earth digging tool having frame means with adjustable support elements connected thereto to hold the implement above the ground independent of the tractor whereby the tractor can be moved under the frame means of the implement and attached to said implement, said implement having an operating digging tool extending in front of said frame and driver seat, said tool having arm means pivotally connected to said frame means, hydraulic cylinder means operatively connected to said digging tool to move same, said cylinder means being secured to said frame means, said implement being coupled to the front of the tractor and said support elements comprising at least two telescoping supports which are displaceable laterally with respect to the driver seat to support the implement.
Claim 17
Dependent Claim
164 words
A tractor comprising a wheeled frame and a displaceable driver seat positionable at the forward end and laterally of said frame, a plurality of vertical lifting members being supported on said frame to receive a detachable implement, said implement comprising an earth digging tool having frame means with adjustable support elements connected thereto to hold the implement above the ground independent of the tractor whereby the tractor can be moved under the frame means of the implement and attached to said implement, said implement having an operating digging tool extending in front of said frame and driver seat, said tool having arm means pivotally connected to said frame means, hydraulic cylinder means operatively connected to said digging tool to move same, said cylinder means being secured to said frame means, said implement being coupled to the front of the tractor and said support elements comprising at least two telescoping supports which are displaceable laterally with respect to the driver seat to support the implement.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |