US322415A - Link for steam-engines - Google Patents

Link for steam-engines Download PDF

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US322415A
US322415A US322415DA US322415A US 322415 A US322415 A US 322415A US 322415D A US322415D A US 322415DA US 322415 A US322415 A US 322415A
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link
steam
engines
lever
bryant
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L29/00—Reversing-gear
    • F01L29/04—Reversing-gear by links or guide rods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/16—Alternating-motion driven device with means during operation to adjust stroke
    • Y10T74/1625—Stroke adjustable to zero and/or reversible in phasing
    • Y10T74/1642—Device driven from selected points on oscillating link

Definitions

  • WITNESSES I JNVEJVTOR 6M yarqube flttorniey N. PETERS, Photo-Lithographer. wnhm lun D C (Model. 2 Shefis-Sheet 2.
  • This invention relates to improvements in links for steam-engines; and it has for its obect to cut off all side pressure upon the link and lift it perpendicularly.
  • Figure 1 is a side elevation
  • Fig. 2 is a plan
  • Fig. 3 is a detached view, of an attachment to be secured to the concave side of the link when to be used on locomotives, indicated in dotted lines in Fig. 1.
  • Fig. 4 is a side elevation of the link and its connections mounted upon a base a part of which is broken away. This view shows the engine-shaft in section.
  • Fig. 5 is an end view with some of the parts removed.
  • Fig. 6 is a detached view of the rock-shaft and shows the manner in which it is connected with the link which in this view is partly broken away.
  • the letter A indicates the link, which is of curved form, and is provided with a longitudinal opening, A, which slides freely upon a block, B, having secured to it on each side a guide-plate, B, which maintain the block B in its proper position within the slot or opening A, and between which the link slides up and down, thus forming guides thereto.
  • a wrist-pin, 0, passes through the plates B and block B, which is attached to a crank, I, placed on one end of a rock-shaft, J, supported in suitable bearings, and preferably of arched form. At the top of this arch is secured one end of a Valve-rod, K, the other end of which is attached to the valve K.
  • lugs or, having openings a which arefor the purpose of attaching the eccentric-rods L L, which extend gether with its valve K.
  • E is a triangular piece of metal attached to u the link A.
  • WVashers f are placed on each side of the'triangular bracket-piece E, between said piece and the double lift-bars F.
  • the double lift-bars F have a boss, F, on
  • the lever G is provided with a handle, G, by means of which the link A may be moved in an upward or downward direction, and thereby reverse the movement of the valve-rod K, to- The forked or bifurcated portion .of. the lever G is found to give greater ease in handling the lever, to increase its durability, and also to prevent lost motion.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

(ModeL) 2 Sheets-Sheet 1.
S. T. BRYANT.
LINK FOR STEAM ENGINES.
No. 322,415. Patented July 21. 1885.
WITNESSES I JNVEJVTOR 6M yarqube flttorniey N. PETERS, Photo-Lithographer. wnhm lun D C (Model. 2 Shefis-Sheet 2.
s. T. BRYANT. LINK FOR STEAM ENGINES. No. 322,415. Patented July 21, 1885.
Fly af I .Attorney N. PETERS, Pholo-Ulhugrlphur, Wuhlngmm [LC UNITE STATES PATENT OFFICE.
SAMUEL T. BRYANT, OF SHELBURN, INDIANA.
LINK FOR STEAM ENGINES.
SPECIFICATIQN forming part of Letters Patent No. 322,415, datedJ'uly 21, 1885. Application filed March 31, 1885. (Model.)
To all whom it may concern.-
Be it known that I, S. T. BRYANT, a citizen of the United States, residing at Shelbu'rn, in the county of Sullivan and State of Indiana, have invented certain new and use ful Improvements in Links for Steam- Dngines, of which the following is a specification, reference being had therein to the accompanying drawings.
This invention relates to improvements in links for steam-engines; and it has for its obect to cut off all side pressure upon the link and lift it perpendicularly. These objects are attained by the mechanism illustrated in the accompanying drawings,formi-ng apart of this specification, in which- Figure 1 is a side elevation, Fig. 2 is a plan, and Fig. 3 is a detached view, of an attachment to be secured to the concave side of the link when to be used on locomotives, indicated in dotted lines in Fig. 1. Fig. 4 is a side elevation of the link and its connections mounted upon a base a part of which is broken away. This view shows the engine-shaft in section. Fig. 5 is an end view with some of the parts removed. Fig. 6 is a detached view of the rock-shaft and shows the manner in which it is connected with the link which in this view is partly broken away.
The letter A indicates the link, which is of curved form, and is provided with a longitudinal opening, A, which slides freely upon a block, B, having secured to it on each side a guide-plate, B, which maintain the block B in its proper position within the slot or opening A, and between which the link slides up and down, thus forming guides thereto. A wrist-pin, 0, passes through the plates B and block B, which is attached to a crank, I, placed on one end of a rock-shaft, J, supported in suitable bearings, and preferably of arched form. At the top of this arch is secured one end of a Valve-rod, K, the other end of which is attached to the valve K. On the concave side of the link A are lugs or, having openings a, which arefor the purpose of attaching the eccentric-rods L L, which extend gether with its valve K.
from the link to two eccentrics, N, secured to the shaft M.
E is a triangular piece of metal attached to u the link A. WVashers f are placed on each side of the'triangular bracket-piece E, between said piece and the double lift-bars F.
The double lift-bars F have a boss, F, on
their upper ends, which gives a longer hearing to the bolt 0 than it would otherwise have, and the lower ends of these lift-bars are slotted to receive the lower ends of bifurcated lever G, which is pivoted thereto by the bolts The lever Gis pivoted to the post H, .or other means of support, by the bolt h, which forms the fulcrum thereof. The lever G is provided with a handle, G, by means of which the link A may be moved in an upward or downward direction, and thereby reverse the movement of the valve-rod K, to- The forked or bifurcated portion .of. the lever G is found to give greater ease in handling the lever, to increase its durability, and also to prevent lost motion.
E (shown in Fig. 3) is a metal bracket, and is intended to be attached to the concave side of the link A when the link is applied to locomotives, as the lever G is placed on the concave or back side of the link when used on locomotives.
Having described my invention, what I desire to secure by Letters Patent and claim is The curved link A, having slot A and bracket E, the block B, having guide-plates B and wrist-pin O, in combination with liftbars F, pivoted thereto, and bifurcated lever G, as describechand for the purposes set forth.
In testimony whereof I affix my signature in presence of two witnesses.
SAMUEL T. BRYANT.
IVitnesses:
HARDEY IVICCLANAHAN, W. D. SNIDER.
US322415D Link for steam-engines Expired - Lifetime US322415A (en)

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