CA1107571A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Farming implement with combined mechanical and pneumatic conveying of a particulate material discharged from a hopper
Assignee: FP Bourgault Industries Ltd
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Filing: 1981-01-07
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Granted: 1981-08-25
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Expires: 2001-01-07
Abstract
Abstract ABSTRACT OF THE DISCLOSURE A farming implement of the type including a frame provided with ground wheels, said frame supporting tank means for seed, fertilizer or the like, mechanical conveyor means for conveying a predetermined volume of a respective material from a discharge of said tank means to a pneumatic conveyor means arranged for communication with a pneumatic distribution system associated with a tillage equipment, for depositing the seed, fertilizer or the like in top soil, said mechanical conveyor means including being drivingly coupled with trans- mission means for driving the mechanical conveyor means at a controlled rate of discharge of seed, fertilizer or the like from said tank means, wherein the transmission means comprises an input end and an output end, the latter being operatively associated with said mechanical conveyor means for causing same to operate at a predetermined speed, said transmission means further comprising ratio adjustment means for selectively adjusting the ratio between the input end and the output end to thus selectively adjust the instant speed of the mechanical conveyor means, said input end of the transmission means being a variable input whose variations are proportional to variations in the speed of advancement of said implement over the ground, whereby the instant speed of said mechanical conveyor means is simultaneously derived from said speed of advancement and from an instant selectively adjusted ratio between said input end and said output end.
Inventors
- 👤 Gerry F. Bourgault
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-30 01:16
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/08; A01C7/081; A01C19/00; A01C19/04; A01C7/10; A01C7/102; A01C7/16; A01M; A01M9/00; A01M9/0084
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
229 words
CLAIMS 1. A farming implement of the type including a frame provided with ground wheels, said frame supporting at least two tanks for seed, fertilizer or the like, mechanical conveyor means for conveying a predetermined volume of a respective material from a discharge of each respective tank to a pneumatic conveyor means arranged for communication with a pneumatic distribution system for depositing the seed, fertilizer or the like in top soil, said mechanical conveyor means being drivingly connected to transmission means for driving the mechanical conveyor at a controlled rate of discharge of seed, fertilizer or the like from said tanks, wherein the transmission means comprises an input end and an output end, the latter being operatively associated with said mechanical conveyor means for causing same to operate at a predetermined speed, said transmission means further comprising ratio adjustment means for selectively adjusting the ratio between the input end and the output end of the transmission means to thus selectively adjust the instant speed of the mechanical conveyor means, said input end of the transmission means being a variable input whose variations are proportional to variations in the speed of advancement of said implement over the ground, whereby the instant speed of said mechanical conveyor means is simultaneously derived from said speed of advancement and from an instant, selectively adjusted ratio between said input end and said output end.
Claim 2
Dependent Claim
231 words
A farming implement of the type including a frame provided with ground wheels, said frame supporting tank means for seed, fertilizer or the like, mechanical conveyor means for conveying a predetermined volume of a respective material from a discharge of said tank means to a pneumatic conveyor means arranged for communication with a pneumatic distribution system associated with a tillage equipment, for depositing the 16 seed, fertilizer or the like in top soil, said mechanical conveyor means including being drivingly coupled with trans- mission means for driving the mechanical conveyor means at a controlled rate of discharge of seed, fertilizer or the like from said tank means, wherein the transmission means comprises an input end and an output end, the latter being operatively associated with said mechanical conveyor means for causing same to operate at a predetermined speed, said transmission means further comprising ratio adjustment means for selectively adjusting the ratio between the input end and the output end to thus selectively adjust the instant speed of the mechanical conveyor means, said input end of the transmission means being a variable input whose variations are proportional to variations in the speed of advancement of said implement over the ground, whereby the instant speed of said mechanical conveyor means is simultaneously derived from said speed of advancement and from an instant selectively adjusted ratio between said input end and said output end.
Claim 3
Dependent Claim
226 words
A farming implement of the type including a frame provided with ground wheels, said frame supporting at least two tanks for seed, fertilizer or the like, mechanical conveyor means for conveying a predetermined volume of a respective material from a discharge of each respective tank to a pneumatic conveyor means arranged for communication with a pneumatic distribution system for depositing the seed, fertilizer or the like in top soil, said mechanical conveyor means being drivingly connected with the transmission means for driving the mechanical conveyor means at a controlled speed governing the rate of discharge of seed, fertilizer or the like from said tanks, wherein the transmission means comprises an input end coupled with at least one of said ground wheels, and an output end, the latter being operatively associated with said 17 mechanical conveyor means for causing same to operate at a predetermined speed dependent on an instant speed of rotation of the respective at least one of said ground wheels, said transmission means further comprising adjustment means for selectively adjusting the ratio between the input end and the output end of said transmission means, whereby the instant speed of said mechanical conveyor means is determined by said speed of rotation of said at least one of the ground wheels and by an instant, selectively adjusted ratio between said input end and said output end.
Claim 4
Dependent Claim
48 words
A farming implement as claimed in claim 3, wherein said adjustment means is a changeable ratio gear box for each of the mechanical conveyor means for selectively adjusting the respective ratio between the speed of rotation of the respective ground wheel and of the respective mechanical conveyor means.
Claim 5
Dependent Claim
84 words
A farming implement as claimed in claim 4, wherein each of said gear boxes includes an input shaft drivably associated with the respective ground wheel and an output shaft drivably coupled with the respective mechanical conveyor means, at least one of the input and output shafts of each gear box being drivingly connected with a sprocket, whereby the ratio between the speed of the respective ground wheel and the respective inputs of the gear boxes is determined by a selected size of the sprocket.
Claim 6
Dependent Claim
32 words
A farming implement as claimed in claim 5, wherein the sprockets are secured to input shafts of the respective gear boxes and are disposed at an output end of a chain-and-sprocket transmission.
Claim 7
Dependent Claim
37 words
A farming implement as claimed in claim 6, wherein the input end of said chain-and-sprocket transmission comprises 18 a drive sprocket whose speed of rotation is derived from the speed of rotation of the respective ground wheel.
Claim 8
Dependent Claim
37 words
A farming implement as claimed in claim 7, wherein said drive sprocket is secured to a drive wheel mounted in a pressure inducing assembly for maintaining frictional engagement between the respective ground wheel and said drive wheel.
Claim 9
Dependent Claim
97 words
A farming implement as claimed in claim 8, wherein said drive wheel is mounted for rotation about an axis substantially parallel with the axis of rotation of the respective ground wheel, at a free end portion of a swing arm mounted in said frame for pivoting about a pivot axis substantially parallel with the axis of rotation of said respective ground wheel, said swing arm being connected to pressure inducing means for resiliently urging said arm in one direction to a position wherein said drive wheel is main- tained in frictional engagement with the respective ground wheel.
Claim 10
Dependent Claim
51 words
A farming implement as claimed in claim 9, wherein said arm further comprises release means for swinging the arm in an opposite direction to a position wherein said drive wheel is maintained out of frictional engagement with the respective ground wheel to discontinue the drive of the respective mechanical conveyor means.
Claim 11
Dependent Claim
44 words
A farming implement as claimed in claim 10, wherein said pivot axis is coaxial with the axis of rotation of an intermediate shaft to which are fixedly secured intermediate sprockets driven by said drive sprocket and driving the input shafts of said gear boxes.
Claim 12
Dependent Claim
32 words
A farming implement as claimed in claims 1 or 2, wherein said transmission means is a mechanical transmission drivingly coupled with one of said ground wheels and with said mechanical conveyor means.
Claim 13
Dependent Claim
42 words
A farming implement as claimed in claims 1 or 2, 19 wherein: (a) said transmission means is a mechanical transmission driven by one of said ground wheels, and driving said mechanical conveyor means; and (b) said mechanical transmission is a chain-and-sprocket transmission.
Claim 14
Dependent Claim
58 words
A farming implement as claimed in claims 1 or 2, wherein: (a) said transmission means is a mechanical transmission driven by one of said ground wheels, and driving said mechanical conveyor means; and (b) said mechanical transmission is a chain-and-sprocket transmission, comprising exchangeable sprockets whereby said ratio can be adjusted by a selected combination of said exchangeable sprockets.
Claim 15
Dependent Claim
79 words
A farming implement as claimed in claims 1 or 2, wherein: (a) said transmission means is a mechanical transmission driven by one of said ground wheels, and driving said mechanical conveyor means; (b) said mechanical transmission is a chain-and-sprocket transmission, comprising exchangeable sprockets whereby said ratio can be adjusted by a selected combination of said exchangeable sprockets; and (c) said mechanical transmission comprises a changeable ratio gear box whose output is drivingly coupled with the respective mechanical conveyor means.
Claim 16
Dependent Claim
66 words
A farming implement as claimed in claims 1 or 2, wherein said transmission means is a mechanical transmission driven by one of said ground wheels over a drive wheel, said implement including engagement means for maintaining said drive wheel in engagement with the respective ground wheel and provided with disengagement means for selectively removing the drive wheel from its engagement with one of said ground wheels.
Claim 17
Dependent Claim
45 words
A farming implement as claimed in claims 1 or 2, wherein said input end of said speed transmission is a drive wheel mounted in engagement means for selectively bringing the drive wheel into or out of a frictional engagement with the respective ground wheel. 21
References Cited (Backward Citations)
No citation records indexed.
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