US315585A - Grain-meter - Google Patents

Grain-meter Download PDF

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Publication number
US315585A
US315585A US315585DA US315585A US 315585 A US315585 A US 315585A US 315585D A US315585D A US 315585DA US 315585 A US315585 A US 315585A
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Prior art keywords
wheel
grain
receptacles
pawl
meter
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/2245—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members in which the common actuating member acts on two levers carrying the braking members, e.g. tong-type brakes

Definitions

  • My invention relates to that class of grain- Ineters in which rotating sector-formed receptacles are swung in the end of a scale beam and madeto descend withagiven weight of grain, and by a partial revolution effect a discharge.
  • My invention consists in the mechanism employed to produce the necessary rotation in the descending receptacles.
  • Figure 1 is a side View of my device.
  • Fig. 2 is a vertical section of the same on a surface parallel to the surface indicated in Fig. 1
  • Fig. 3 is a plan of the scale-beam.
  • receptacles used to weigh the grain are shown in section in Fig. 2, 6 representing an end of the same, ffff showing the partitions, and m indicating the axle on which the entire device rotates.
  • Axle m projects through slots at on both sides of easing A, and is supported by terminations O O of bifurcated scale-beam C.
  • a wheel, E Rigidly attached to an end of axle m is a wheel, E, provided with projections corresponding in number to the number of receptacles on the axle.
  • pawl F In contact with wheel E is pawl F, located in substantially the position shown.
  • Spring 0 holds pawl F constantly in contact with wheel E.
  • Pawl F extends below its fulcrum and forms a bearing for hinged ratchet h, Whichimparts motion to indicator B.
  • W'heel B is provided on its circumference with ratchet-teeth and on its face with a spiral groove, d.
  • Bar 1) extends diametrically across theface of wheel B, and is pro- Vided with sliding pointer c, which engages the groove d.
  • a projection of wheel E rests against block z, and holds the receptacles in the position to receive the grain. (See Fig. 2.)
  • the grain has no tendency to rotate the receptacles, but simply depresses the end of the scale-beam whenever a sufficient weight has accumulated.
  • wheel E ceases to press against block 1;
  • pawl F by opposing a resisting-surfiice tangentially to a projection on said wheel, trips the receptacles and begins a quadrantal rotation that the weight of the grain completes, thereby discharging the grain from the loaded receptacle, and carrying an empty receptacle in proper position to receive the grain from the discharge-spout of the separator.
  • a projection operates on pawl F and moves wheel B one notch.
  • wheel Z indicates that the wheel E has made two hundred and five quarter-revolutions-that is, pointer at shows that two complete revolutions of wheel B have been accomplished, and the circumference of the wheel shows that five notches have passed indicating-bar I).
  • the capacity of the indicator can be increased by increasing the number of coils in the groove, and the device may be reset at any time by detaching one end of bar I), and sliding pointer c to its highest position. End 9 of pawl F, by coming in contact with wheel B at the termination of every stroke, acts as a lock to prevent an excess of rotation.
  • the registering device herein set forth forms no part of my invention, and is shown and described merely as an expedient form of attachment for my measuring device.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Description

E. N. WILLIAMSON.
Patented Apr. 14, 1885.
witmsma UNITED STATES PATENT OEEIcE.
ELWOOD N. WILLIAMSON, OF NEAR LODGE, ILLINOIS.
GRAIN-METER.
SPECIFICATION forming part of Letters Patent No. 315,585, dated April 14, 1885.
(No model.)
To" a whom it may concern:
Be it known that I, ELwooD N. WILLIAM- soN, a citizen of the United States, residing near the town of Lodge, in the county of Piatt and State of Illinois, have invented certain new and useful Improvements in Grain- Meters, of which the following is a specification.
My invention relates to that class of grain- Ineters in which rotating sector-formed receptacles are swung in the end of a scale beam and madeto descend withagiven weight of grain, and by a partial revolution effect a discharge.
My invention consists in the mechanism employed to produce the necessary rotation in the descending receptacles.
In the drawings accompanying and forming a part of this application, Figure 1 is a side View of my device. Fig. 2 is a vertical section of the same on a surface parallel to the surface indicated in Fig. 1, and Fig. 3 is a plan of the scale-beam.
The receptacles used to weigh the grain are shown in section in Fig. 2, 6 representing an end of the same, ffff showing the partitions, and m indicating the axle on which the entire device rotates. Axle m projects through slots at on both sides of easing A, and is supported by terminations O O of bifurcated scale-beam C.
Rigidly attached to an end of axle m is a wheel, E, provided with projections corresponding in number to the number of receptacles on the axle. In contact with wheel E is pawl F, located in substantially the position shown. Spring 0 holds pawl F constantly in contact with wheel E. Pawl F extends below its fulcrum and forms a bearing for hinged ratchet h, Whichimparts motion to indicator B. W'heel B is provided on its circumference with ratchet-teeth and on its face with a spiral groove, d. Bar 1) extends diametrically across theface of wheel B, and is pro- Vided with sliding pointer c, which engages the groove d.
As shown in Fig. l, a projection of wheel E rests against block z, and holds the receptacles in the position to receive the grain. (See Fig. 2.)
The grain has no tendency to rotate the receptacles, but simply depresses the end of the scale-beam whenever a sufficient weight has accumulated. As the receptacles descend, wheel E ceases to press against block 1;, and pawl F, by opposing a resisting-surfiice tangentially to a projection on said wheel, trips the receptacles and begins a quadrantal rotation that the weight of the grain completes, thereby discharging the grain from the loaded receptacle, and carrying an empty receptacle in proper position to receive the grain from the discharge-spout of the separator. At every partial revolution of wheel E a projection operates on pawl F and moves wheel B one notch. There being one hundred notches on the wheel, any number from one to one hundred, inclusive, can be indicated 011 the circumference of the wheel, and any number over one hundred can be indicated by the figures on the circumference, together with the pointer d.
In the position shown in the drawings, wheel Z) indicates that the wheel E has made two hundred and five quarter-revolutions-that is, pointer at shows that two complete revolutions of wheel B have been accomplished, and the circumference of the wheel shows that five notches have passed indicating-bar I).
It will be readily seen that the capacity of the indicator can be increased by increasing the number of coils in the groove, and the device may be reset at any time by detaching one end of bar I), and sliding pointer c to its highest position. End 9 of pawl F, by coming in contact with wheel B at the termination of every stroke, acts as a lock to prevent an excess of rotation.
The registering device herein set forth forms no part of my invention, and is shown and described merely as an expedient form of attachment for my measuring device.
I claim- The combination, with receptacles e f, of beam 0 0, weight 1), wheel E, block i, and trip-pawl F, as and for the purpose set forth.
ELWOOD N. \VILLIAMSON.
Witnesses:
G. A. TATMAN, B. I. TATMAN.
US315585D Grain-meter Expired - Lifetime US315585A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767474A (en) * 1953-06-15 1956-10-23 Eastman Kodak Co Footage indicator for strip material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767474A (en) * 1953-06-15 1956-10-23 Eastman Kodak Co Footage indicator for strip material

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