US4055037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mowing device
Assignee: Multinorm BV
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Filing: 1975-12-29
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Granted: 1977-10-25
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Expires: 1995-12-29
Abstract
Abstract In a mowing device comprising a frame, cutting members supported by the frame and being movable in a horizontal plane and at least one rotor journalled in said frame so as to be rotatable about a rotary axis for transporting cut crop, said rotor comprising at least one support and at least one catch connected with the support so as to be pivotable about a pivotal axis and adapted to engage the crop, for maintaining the catch in its predetermined position the catch abuts against a stop, viewed in the direction of rotation of the rotor, whilst the center of gravity of the catch is located behind the radial plane going through the pivotal axis.
Inventors
- 👤 Pieter Adriaan Oosterling
- 👤 Hendricus Cornelis VAN Staveren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:44
CPC Classifications
A; A01; A01D; A01D57/00; A01D43/00; A01D43/10; Y; Y10; Y10S; Y10S56/00; Y10S56/01
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
220 words
A mowing device comprising in combination: a frame adapted to be moved over the ground; cutter means carried by said frame for cutting a crop swath; and crop transporting means disposed above said cutter means for engaging and transporting cut crop rearwardly with respect to the direction in which said frame is moved over the ground, said crop transport means comprising a rotor journalled about a substantially horizontal axis transverse to said direction of frame movement; a plurality of crop-engaging members; pivot means pivotally connecting said crop-engaging members individually to said rotor so that said crop-engaging members are rotated by said rotor in generally vertical side-by-side planes extending in said direction of movement and are rotated about said pivot means by centrifugal force toward positions in which the centers of gravity of said crop-engaging members lie in a radial plane containing said substantially horizontal axis and the axis of said pivot means; and stop means, carried by said rotor and disposed in the path of rotation of said crop-engaging members about said pivot means, for individually preventing the crop-engaging members from reaching said positions, whereby said centers of gravity lie behind said radial plane and the paths swept by those portions of the crop-engaging members most remote from said pivot means are in predetermined spaced relation to said cutter means.
Claim 2
Dependent Claim
220 words
A mowing device comprising in combination: a frame adapted to be moved over the ground; cutter means carried by said frame for cutting a crop swath; and crop transporting means disposed above said cutter means for engaging and transporting cut crop rearwardly with respect to the direction in which said frame is moved over the ground, said crop transport means comprising a rotor journalled about a substantially horizontal axis transverse to said direction of frame movement; a plurality of crop-engaging members; pivot means pivotally connecting said crop-engaging members individually to said rotor so that said crop-engaging members are rotated by said rotor in generally vertical side-by-side planes extending in said direction of movement and are rotated about said pivot means by centrifugal force toward positions in which the centers of gravity of said crop-engaging members lie in a radial plane containing said substantially horizontal axis and the axis of said pivot means; and stop means, carried by said rotor and disposed in the path of rotation of said crop-engaging members about said pivot means, for individually preventing the crop-engaging members from reaching said positions, whereby said centers of gravity lie behind said radial plane and the paths swept by those portions of the crop-engaging members most remote from said pivot means are in predetermined spaced relation to said cutter means.
Claim 3
Dependent Claim
48 words
A mowing device as defined in claim 1 wherein said crop transporting means includes a pair of supports respectively connected to the opposite ends of said rotor and projecting radially from said rotor, said pivot means extending between said supports and said stop means extending between said supports.
Claim 4
Dependent Claim
83 words
A mowing device as defined in claim 1 including an arcuate hood fixed to said frame and disposed above and behind said crop transporting means; crusher means extending parallel to said horizontal axis and fixed to said hood in facing relation to said crop transporting means and disposed at a particular radial distance from said substantially horizontal axis of the rotor; said stop means controlling said crop-engaging member to sweep a path whose perimeter is closely spaced radially inwardly from said crusher means.
Claim 5
Dependent Claim
33 words
A mowing device as defined in claim 3 wherein said cutter means comprises a plurality of rotary cutting members disposed above said frame and rotatable about substantially vertical axes to sweep overlapping paths.
Claim 6
Dependent Claim
33 words
A mowing device as defined in claim 1 wherein said cutter means comprises a plurality of rotary cutting members disposed above said frame and rotatable about substantially vertical axes to sweep overlapping paths.
Claim 7
Dependent Claim
40 words
A mowing device as defined in claim 5 including a horizontal rib on said hood extending into close proximity to the paths swept by the outer ends of said tines whereby to effect a crushing action on crop swept therepast.
Claim 8
Dependent Claim
36 words
A mowing device as defined in claim 6 wherein each of said tines is of generally L-shape and said first and second rods are positioned such that the outer portion of each tine extends substantially radially.
Claim 9
Dependent Claim
35 words
A mowing device as defined in claim 7 including a plurality of sleeves disposed in end-to-end relation and pivotally received on said first rod, and a pair of said tines being fixed to each sleeve.
Claim 10
Dependent Claim
197 words
A mowing device comprising, in combination: a frame adapted to be moved over the ground; cutter means carried by said frame for cutting a crop swath; and crop transport means disposed above said cutter means for engaging and transporting cut crop rearwardly with respect to the direction in which said frame is moved over the ground; said crop transport means comprising an arcuate hood disposed above said cutter means, a rotor journalled about a substantially horizontal axis transverse to said direction of movement, a pair of supports fixed respectively to the opposite ends of said rotor and projecting radially therefrom, a first rod fixed to and extending between said supports, a second rod fixed to and extending between said supports, and a plurality of tines pivotally carried by said first rod; said second rod being spaced radially outwardly from said first rod and each tine extending radially beyond said second rod and bearing thereagainst in response to rotation of said rotor whereby said second rod presents a stop for all of said tines, each tine having an outer end which sweep a circular path passing above said cutter means and into closely spaced relation with said hood.
Claim 11
Dependent Claim
197 words
A mowing device comprising, in combination: a frame adapted to be moved over the ground; cutter means carried by said frame for cutting a crop swath; and crop transport means disposed above said cutter means for engaging and transporting cut crop rearwardly with respect to the direction in which said frame is moved over the ground; said crop transport means comprising an arcuate hood disposed above said cutter means, a rotor journalled about a substantially horizontal axis transverse to said direction of movement, a pair of supports fixed respectively to the opposite ends of said rotor and projecting radially therefrom, a first rod fixed to and extending between said supports, a second rod fixed to and extending between said supports, and a plurality of tines pivotally carried by said first rod; said second rod being spaced radially outwardly from said first rod and each tine extending radially beyond said second rod and bearing thereagainst in response to rotation of said rotor whereby said second rod presents a stop for all of said tines, each tine having an outer end which sweep a circular path passing above said cutter means and into closely spaced relation with said hood.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-10-24 | 1981-04-25 | 1981-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-24 | 1985-04-25 | 1985-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-24 | 1989-04-25 | 1989-10-25 | $7700.00 | Window Closed / Lapsed |