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US4164985A Expired / Lapsed US ⏱️ 0.0 years remaining

Straddling tractors

Assignee: Bobard Jeune SAS
•
Filing: 1978-02-10
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Granted: 1979-08-21
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Expires: 1998-02-10
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Abstract

Abstract An implement hitching mechanism for a tractor of the type for straddling rows of agricultural crops in which a first gantry is connected to the tractor and a second gantry having the hitching means thereon is mounted to said first gantry for movement therealong.

Inventors

  • 👤 Charles E. Bobard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:35
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/06; B62D49/0607; A; A01; A01B; A01B59/00; A01B59/04; A01B59/042; A01B59/043; B62D49/02; Y; Y10; Y10S; Y10S180/00; Y10S180/90

Claims Analysis

Total Claims: 32
Claim 1
Independent Claim 98 words
Apparatus for hitching implements to a stilt-type tractor having a body of a generally inverted U shape to permit crops to pass thereunder comprising: first gantry means formed with an open bottom portion, means for attaching said first gantry means to said tractor, second gantry means formed with an open bottom portion, three point hitching means, means for mounting said hitching means to said second gantry means, and means for mounting said second gantry means to said first gantry means to provide relative movement between said two gantry means along at least a part of the lengths thereof.
Claim 2
Dependent Claim 98 words
Apparatus for hitching implements to a stilt-type tractor having a body of a generally inverted U shape to permit crops to pass thereunder comprising: first gantry means formed with an open bottom portion, means for attaching said first gantry means to said tractor, second gantry means formed with an open bottom portion, three point hitching means, means for mounting said hitching means to said second gantry means, and means for mounting said second gantry means to said first gantry means to provide relative movement between said two gantry means along at least a part of the lengths thereof.
Claim 3
Dependent Claim 24 words
Apparatus as in claim 1 wherein said second gantry mounting means comprises means for sliding said second gantry relative to said first gantry means.
Claim 4
Dependent Claim 16 words
Apparatus as in claim 1 wherein said first gantry means comprises an inverted, generally U-shaped frame.
Claim 5
Dependent Claim 16 words
Apparatus as in claim 1 wherein said second gantry means comprises an inverted, generally U-shaped frame.
Claim 6
Dependent Claim 35 words
Apparatus as in claim 4 wherein a respective first implement hitching means of said three point hitching means is carried on each of the vertical uprights of the U-shaped frame of said second gantry means.
Claim 7
Dependent Claim 26 words
Apparatus as in claim 5 wherein each said first implement hitching means comprises a cap, and a piece slidable in said cap carrying hitching journal means.
Claim 8
Dependent Claim 30 words
Apparatus as in claim 5 wherein a second implement hitching means of said three-point hitching means is carried on the cross-piece of the U-shaped frame of said second gantry means.
Claim 9
Dependent Claim 26 words
Apparatus as in claim 7 wherein said second implement hitching means comprises a stirrup attached to said cross-piece, and a hitching link mounted in said stirrup.
Claim 10
Dependent Claim 37 words
Apparatus as in claim 8 wherein said means for mounting said first gantry means to said tractor further comprises means for tilting said first gantry means relative to said tractor thereby carrying said second gantry means therewith.
Claim 11
Dependent Claim 32 words
Apparatus as in claim 9 further comprising means for fixing the hitching link of said second implement hitching means in a selected generally horizontal position when said first gantry means is tilted.
Claim 12
Dependent Claim 25 words
Apparatus as in claim 10 wherein said means for fixing the position of said hitching link of said second implement hitching means comprises jack means.
Claim 13
Dependent Claim 23 words
Apparatus as in claim 8 wherein said hitching link mounted in the stirrup of said second implement hitching means comprises a jack means.
Claim 14
Dependent Claim 38 words
Apparatus as in claim 1 wherein said means for mounting said first gantry means to said tractor further comprises first means for tilting said first gantry means relative to said tractor thereby carrying said second gantry means therewith.
Claim 15
Dependent Claim 24 words
Apparatus as in claim 13 wherein said first tilting means for said first gantry includes stay means connected to a point on the tractor.
Claim 16
Dependent Claim 11 words
Apparatus as in claim 14 wherein said stay means are fixed.
Claim 17
Dependent Claim 11 words
Apparatus as in claim 14 wherein said stay means are adjustable.
Claim 18
Dependent Claim 13 words
Apparatus as in claim 13 wherein said first tilting means comprises a jack.
Claim 19
Dependent Claim 19 words
Apparatus as in claim 13 further comprising means for tilting said hitching means relative to said second gantry means.
Claim 20
Dependent Claim 16 words
Apparatus as in claim 18 further comprising power takeoff means carried by said first gantry means.
Claim 21
Dependent Claim 31 words
Apparatus as in claim 19 further comprising means for controlling both said second gantry mounting means and said means for mounting said three point hitching means to said second gantry means.
Claim 22
Dependent Claim 20 words
Apparatus as in claim 13 further comprising second means for tilting said hitching means relative to said second gantry means.
Claim 23
Dependent Claim 17 words
Apparatus as in claim 21 wherein each of said first and second tilting means comprises jack means.
Claim 24
Dependent Claim 16 words
Apparatus as in claim 13 further comprising power takeoff means carried by said first gantry means.
Claim 25
Dependent Claim 24 words
Apparatus as in claim 1 further comprising means for tilting the hitching means carried by second gantry means relative to said second gantry means.
Claim 26
Dependent Claim 26 words
Apparatus as in claim 24 wherein said means for tilting, said hitching means comprises jack means connected between said second gantry means and said hitching means.
Claim 27
Dependent Claim 91 words
The combination of a tractor of the straddling leg type and a hitching implement apparatus, said hitching implement apparatus comprising: first gantry means, means for mounting said first gantry means to said tractor, means for tilting said first gantry means relative to the tractor, second gantry means, hitching means, means for mounting said hitching means to said second gantry means, and means for mounting said second gantry means to said first gantry means to provide relative movement between said two gantry means along at least a part of the lengths thereof.
Claim 28
Dependent Claim 91 words
The combination of a tractor of the straddling leg type and a hitching implement apparatus, said hitching implement apparatus comprising: first gantry means, means for mounting said first gantry means to said tractor, means for tilting said first gantry means relative to the tractor, second gantry means, hitching means, means for mounting said hitching means to said second gantry means, and means for mounting said second gantry means to said first gantry means to provide relative movement between said two gantry means along at least a part of the lengths thereof.
Claim 29
Dependent Claim 23 words
The combination of claim 26 further comprising a respective said hitching implement apparatus mounted on the front and the rear of said tractor.
Claim 30
Dependent Claim 47 words
The combination as in claim 26 wherein said tilting means comprises a shaft on one of said tractor and said first gantry means, and a pair of supports on the other of said tractor and first gantry means with said supports being rotatable relative to said shaft.
Claim 31
Dependent Claim 65 words
The combination of claim 28 wherein said tractor has front and rear legs, the rear legs of the tractor being inclined forward by an angle of about 45°, said tractor further comprising a drive means and a cab for the driver on said tractor, the cab being located forward of the drive means to increase the area for the tilting of said first gantry means.
Claim 32
Dependent Claim 65 words
The combination of claim 26 wherein said tractor has front and rear legs, the rear legs of the tractor being inclined forward by an angle of about 45°, said tractor further comprising a drive means and a cab for the driver on said tractor, the cab being located forward of the drive means to increase the area for the tilting of said first gantry means.

References Cited (Backward Citations)

US2745503A Cited
US3690395A Cited
US3756203A Cited
US4009890A Cited
US4000911A Cited
US4057265A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-08-20 1983-02-19 1983-08-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-08-20 1987-02-19 1987-08-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-08-20 1991-02-19 1991-08-21 $7700.00 Window Closed / Lapsed

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