US1217304A - Belt thrower and guide. - Google Patents

Belt thrower and guide. Download PDF

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Publication number
US1217304A
US1217304A US9813016A US9813016A US1217304A US 1217304 A US1217304 A US 1217304A US 9813016 A US9813016 A US 9813016A US 9813016 A US9813016 A US 9813016A US 1217304 A US1217304 A US 1217304A
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Prior art keywords
guide
belt
arm
pulley
plate
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Expired - Lifetime
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US9813016A
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Halldor K Halldorson
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Individual
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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
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/22—Belt, rope, or chain shifters

Definitions

  • This invention relates to a belt thrower and guide.
  • An object of the invention resides in the provision of an improved structure by means of which a pulley belt may be readily thrown from the pulley or guided thereon during its operation.
  • a further object of the invention resides in so constructing the device that the belt throwing arm will be doubly supported during its entire movement.
  • Figure 1 is a plan view of my device showing the same applied to an engine, only a portion of the latter being shown however;
  • Fig. 2 is a side elevation of the same
  • Fig. 3 is an enlarged detail of the shifting arm and mounting therefor, and
  • Fig. 4 is a. similar detail of the controlling lever.
  • this belt which is indicated by the character 3 may be guided or thrown from the pulley 2
  • I have provided a bracket 4 which is secured to the engine casing by a plurality of bolts 5 which pass through slots 6 therein.
  • This bracket may thus be adjusted horizontally upon the loosening of thebolts and held in its adjusted position upon the tightening of the bolt.
  • This casting is provided with a downwardly extending arm 7 from which an integral plate 8 extends at right angles. Pivotally mounted, at 9, on this plate 8 is a shifting arm 10 which is provided with a roller 11 on its end and slides upon the plate about its pivot.
  • This arm is guided in its movement by means of a guide rod 12 which is located in spaced relation to the plate 8 and is supported thereon by rivets 13 which limit the movement of the arm 10.
  • the roller 11 is adapted to engage the edge of the belt 3' and in order that the arm may be moved so as to guide the belt on the pulley 2 or to throw it from the pulley, I have-provided a casting 14 which is secured to the engine casing at a suitable point and is provided with an arcuate slot 15.
  • a lever 16 is pivoted, at 17, on this casting 14- and is provided with a set screw 18 which extends into the slot 15 and is adapted to be tightened to maintain the lever in any of its adjusted positions.
  • a rod 19 extends from this lever 16 and is secured to the arm 10 between its ends so that when the lever is moved the arm will be moved about its pivot.
  • the guide arm may operate to either throw the belt entirely from the pulley or to guide the same thereon. Furthermore it will be seen that the'device is so constructed that the guide arm will be strengthened and supported irrespective of its position.
  • WVhat I claim is The combination with a belt and pulley, of a support, a bracket adjustably mounted on said support and movable in a plane parallel to the plane of the pulley, said bracket having a plate extending therefrom in angular relation, a shifting arm pivotally mounted on the plate remote from the edge thereof and resting upon the plate, a guide for the arm disposed on the plate and above the arm, a roller on the end of the arm and means for moving the arm pivotally to and away from the pulley.

Description

H. K. HALLDORSON.
BELT THROWER AND GUIDE.
APPLICATION FILED MAY 17, I916.
- 1,217,304. Patented Feb. 27, 1917.
. 21 H fl fazlcianrom rn STAT Arr.
BELT THRQWER' AND GUIDE.
Specification of Letters Patent.
Application filed May 17, 1916. Serial No. 98,130.
To all whom it may concern:
Be it known that I, HALLDOR K. HALLDOR- soN, a citizen of the United States, residing at Edinburg, in the county of Vi alsh, State of North Dakota, have invented certain new and useful Improvements in Belt Throwers and Guides; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to a belt thrower and guide.
An object of the invention resides in the provision of an improved structure by means of which a pulley belt may be readily thrown from the pulley or guided thereon during its operation.
A further object of the invention resides in so constructing the device that the belt throwing arm will be doubly supported during its entire movement.
With these and other objects in view, such as will appear as my description progresses, my invention comprises the combination and arrangement of parts as set forth in and falling within the scope of the appended claim.
In the drawing:
Figure 1 is a plan view of my device showing the same applied to an engine, only a portion of the latter being shown however;
Fig. 2 is a side elevation of the same;
Fig. 3 is an enlarged detail of the shifting arm and mounting therefor, and
Fig. 4 is a. similar detail of the controlling lever.
In the drawing, I have illustrated conventionally an engine 1 which is provided with a drive belt pulley 2.
In order that this belt which is indicated by the character 3 may be guided or thrown from the pulley 2, I have provided a bracket 4 which is secured to the engine casing by a plurality of bolts 5 which pass through slots 6 therein. This bracket may thus be adjusted horizontally upon the loosening of thebolts and held in its adjusted position upon the tightening of the bolt. This casting is provided with a downwardly extending arm 7 from which an integral plate 8 extends at right angles. Pivotally mounted, at 9, on this plate 8 is a shifting arm 10 which is provided with a roller 11 on its end and slides upon the plate about its pivot. This arm is guided in its movement by means of a guide rod 12 which is located in spaced relation to the plate 8 and is supported thereon by rivets 13 which limit the movement of the arm 10. The roller 11 is adapted to engage the edge of the belt 3' and in order that the arm may be moved so as to guide the belt on the pulley 2 or to throw it from the pulley, I have-provided a casting 14 which is secured to the engine casing at a suitable point and is provided with an arcuate slot 15. A lever 16 is pivoted, at 17, on this casting 14- and is provided with a set screw 18 which extends into the slot 15 and is adapted to be tightened to maintain the lever in any of its adjusted positions. A rod 19 extends from this lever 16 and is secured to the arm 10 between its ends so that when the lever is moved the arm will be moved about its pivot.
It will be seen with this construction that the guide arm may operate to either throw the belt entirely from the pulley or to guide the same thereon. Furthermore it will be seen that the'device is so constructed that the guide arm will be strengthened and supported irrespective of its position.
While I have illustrated and described a particular embodiment'of my invention, it has merely been for the sake of convenience and I do not wish to be limited to that par- Patented Feb. 27,1917.
ticular embodiment as it is obvious that numerous changes may be made in the details of construction without departing from the spirit of the invention or exceeding the scope of the appended claim.
WVhat I claim is The combination with a belt and pulley, of a support, a bracket adjustably mounted on said support and movable in a plane parallel to the plane of the pulley, said bracket having a plate extending therefrom in angular relation, a shifting arm pivotally mounted on the plate remote from the edge thereof and resting upon the plate, a guide for the arm disposed on the plate and above the arm, a roller on the end of the arm and means for moving the arm pivotally to and away from the pulley.
In testimony whereof, I affix my signature, in the presence of two witnesses.
HALLDOR K. HALLDORSON. Witnesses:
E. A. BRANDSON,
S. JosEPHsoN.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Bat-ants, Washington, D. G.
US9813016A 1916-05-17 1916-05-17 Belt thrower and guide. Expired - Lifetime US1217304A (en)

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US9813016A US1217304A (en) 1916-05-17 1916-05-17 Belt thrower and guide.

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US9813016A US1217304A (en) 1916-05-17 1916-05-17 Belt thrower and guide.

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