US761885A - Grain-drilling machine. - Google Patents

Grain-drilling machine. Download PDF

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Publication number
US761885A
US761885A US14500203A US1903145002A US761885A US 761885 A US761885 A US 761885A US 14500203 A US14500203 A US 14500203A US 1903145002 A US1903145002 A US 1903145002A US 761885 A US761885 A US 761885A
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steering
grain
lever
fore
drilling machine
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US14500203A
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Otto Heinemann
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
    • B60D1/26—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for remote control, e.g. for releasing

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  • Figure l is a plan View of the frame of a drilling-machine itted with my new steering-gear.
  • Fig. 2 is a plan view, and
  • Fig. 3 a longitudinal section, both drawn to an enlarged scale, of the steering-gear itself.
  • the steering-gear consists of two rods a Z, connecting the hind and fore carriages. These rods a, Z are pivoted at one end to the hind carriage and are connected at the opposite end to the inner extremities of the doublearmed steering-levers Z e, pivoted at c c.
  • g ZL are semicircular toothed racks bolted to the fore frame of the machine, and in these engage the levers CZ c; which are provided with teeth Z for the purpose.
  • the machine is thus prevented from leaving the furrow unintentionally.
  • the laborer who holds the reins of the horses in one hand, can with the other hand adjust thelever CZ or e by pushing such lever forward or backward (depending upon whether the horses are pulling to the right or left) and setting it.v In this manner,
  • eachrack g /t is provided with teeth 76 on its periphery, in which engage the three teeth Z of each lever Z e. rIhe teeth Z are not provided directly on the lever itself, but on a block m, contained in a case a on the under side of the lever.
  • the block is actuated by a spring o, which holds the teethZ in engagement with the rack-teeth. If the lever is to be disengaged from the rack, this can speedily be done in the well-known manner by means of a hand-leverp, pivoted at q, and connected to the block m by a link r.
  • a steering-gear for grain-drilling machines comprising a double-armed toothed steering-lever pivoted to the fore frame and actuating the connecting-bar of the hind and fore carriages, and a curved toothed rack rigidly secured to the fore carriage, the teeth of which rack engage with those of the steering-lever, substantially as described.
  • a steering-gear for grain-drilling machines comprising a double-armed steeringlever provided with spring-actuated teeth pivoted to the fore frame and actuating the connecting-bar of the hind and fore carriages, and a curved toothed rack rigidly secured to the fore carriage, the teeth of which rack en- 'gageY with those of the steering-lever, substantially as described.

Description

No.v 761,885. I IPATBNTED JUNE 7, 1904. 0. HEINEMANN. v
' GRAIN DRILLING MACHINE.
AP-PLIATION FILED PEBZS, 1.903.
Fiyi 1..
N0 MODEL'.
Patented June '7, 1904.
PATENT OFFICE.
OTTO HEINEMANN, OF HORNHAUSEN, GERMANY.
GRAIN-DRILLING MACHINE.
SPECIFICATION forming part of Letters Patent-No. 761,885, dated June 7, 1904. i Application filed February 25, 19037. Serial No. 145,002. (No model.)
y Prussia, German Empire, have invented certain new and useful Improvements in Grain- Drlllmg Machines, of which the following 1s a speciticatlon.
rIhe lever steering-gear of Crain-drillingY b b b C machines is usually such that it is impossible to set the steering-lever in any desirable p0- sition. It has to be held in the hand, therefore, during steering; but this is exceedingly disadvantageous, since shocksv andthe like cannot properly be controlled, so that it is impossible to prevent the fore carriage at times from leaving the furrow. According to my present invention this inconvenience is entirely overcome.. Y
In the accompanying drawings, Figure l is a plan View of the frame of a drilling-machine itted with my new steering-gear. Fig. 2 is a plan view, and Fig. 3 a longitudinal section, both drawn to an enlarged scale, of the steering-gear itself.
The steering-gear consists of two rods a Z, connecting the hind and fore carriages. These rods a, Z are pivoted at one end to the hind carriage and are connected at the opposite end to the inner extremities of the doublearmed steering-levers Z e, pivoted at c c. The
rods a bare provided with holes f for the purpose of enabling the distancebetween the axles of the hind and fore wheels to be altered as may be required and to admit of adjustment of the steering-levers. Y
g ZL are semicircular toothed racks bolted to the fore frame of the machine, and in these engage the levers CZ c; which are provided with teeth Z for the purpose. The machine is thus prevented from leaving the furrow unintentionally. The laborer, who holds the reins of the horses in one hand, can with the other hand adjust thelever CZ or e by pushing such lever forward or backward (depending upon whether the horses are pulling to the right or left) and setting it.v In this manner,
'Eachrack g /t is provided with teeth 76 on its periphery, in which engage the three teeth Z of each lever Z e. rIhe teeth Z are not provided directly on the lever itself, but on a block m, contained in a case a on the under side of the lever. The block is actuated by a spring o, which holds the teethZ in engagement with the rack-teeth. If the lever is to be disengaged from the rack, this can speedily be done in the well-known manner by means of a hand-leverp, pivoted at q, and connected to the block m by a link r.
What I claim as my invention, and desire to secure by Letters Patent, is-
l. A steering-gear for grain-drilling machines. comprising a double-armed toothed steering-lever pivoted to the fore frame and actuating the connecting-bar of the hind and fore carriages, and a curved toothed rack rigidly secured to the fore carriage, the teeth of which rack engage with those of the steering-lever, substantially as described.
2. A steering-gear for grain-drilling machines, comprising a double-armed steeringlever provided with spring-actuated teeth pivoted to the fore frame and actuating the connecting-bar of the hind and fore carriages, and a curved toothed rack rigidly secured to the fore carriage, the teeth of which rack en- 'gageY with those of the steering-lever, substantially as described.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses. v Y v kOTTO HEINEMANN.
Witnesses:
' PAUL MLLER,
FRIEDRICH VVEGNER.
US14500203A 1903-02-25 1903-02-25 Grain-drilling machine. Expired - Lifetime US761885A (en)

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US14500203A US761885A (en) 1903-02-25 1903-02-25 Grain-drilling machine.

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