US117226A - Improvement in shutter-workers - Google Patents

Improvement in shutter-workers Download PDF

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Publication number
US117226A
US117226A US117226DA US117226A US 117226 A US117226 A US 117226A US 117226D A US117226D A US 117226DA US 117226 A US117226 A US 117226A
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Prior art keywords
shutter
workers
improvement
shaft
lever
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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
    • F16H21/00—Gearings comprising primarily only links or levers, with or without slides
    • F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
    • F16H21/44—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for conveying or interconverting oscillating or reciprocating motions
    • 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
    • Y10T74/18—Mechanical movements
    • Y10T74/18856—Oscillating to oscillating

Definitions

  • Figure 1 represents a side elevation of the exterior of a shutter to which my device is attached.
  • Fi g. 2 is a side view of the operating shaft for closing the shutter.
  • Fig. 3 is a side view of the shaft for operating the spring-catch.
  • Fig. 4 is a plan view of the plate through which the lever operates on the shutter.
  • A represents the window-sill and B the shutter.
  • Extending outward through the sill from the interior of the house is the shaft C, having a handle, D, upon its inner end, and a crank, E, upon the outer.
  • Pivoted to the crank is the lever F, which consists of a flat bar, having its lower end twisted in the shape of an auger and passing through a small slot, a, cut in the ear b of the plate G.
  • a small casting, I in which is pivoted the catch J, and which is provided with a spring, c, so as to keep the catch always pressed upward.
  • the knob c on the end g of the shaft L is turned, causing the cam on its opposite end to bear down on the spring-catch J until the shutter-hook is released.
  • the knob D on the end of the shaft C is then turned, causing the crank to force the augenshaped end of the lever F downward into the slot a, thereby acting as a lever to swing the shutter outward.
  • the shaft passes into the slot until the twisted or auger-shaped part is passed, when the flat portion acts as a stop, so as to prevent the shut ter from being swung backward and forward.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Description

- i PATENTE JUL 18 A1871 117226 PATENT QEEICE.
LEWIS H. WATSON, OF IITTSBURG, PENNSYLVANIA.
lMPROVEMENT IN SHUTTER-WORKERS.
Speeioation forming part of Letters Patent No. 117,226, dated July 18, 1871.
To all whom it may concern:
Be it known that I, LEwIs H. WATsoN, of Pittsburg, Allegheny county, Pennsylvania, have invented certain new and useful Improvements in Devices for Opening and Closing Shutters, of which the following is a specification:
The nature of my invention consists in the construction of a cheap and simple device for opening and closing shutters, as will hereafter be more fully set forth.
In the accompanying drawing, Figure 1 represents a side elevation of the exterior of a shutter to which my device is attached. Fi g. 2 is a side view of the operating shaft for closing the shutter. Fig. 3 is a side view of the shaft for operating the spring-catch. Fig. 4 is a plan view of the plate through which the lever operates on the shutter.
A represents the window-sill and B the shutter. Extending outward through the sill from the interior of the house is the shaft C, having a handle, D, upon its inner end, and a crank, E, upon the outer. Pivoted to the crank is the lever F, which consists of a flat bar, having its lower end twisted in the shape of an auger and passing through a small slot, a, cut in the ear b of the plate G. Secured to the sill is a small casting, I, in which is pivoted the catch J, and which is provided with a spring, c, so as to keep the catch always pressed upward.
Extending sired to open the shutter, the knob c on the end g of the shaft L is turned, causing the cam on its opposite end to bear down on the spring-catch J until the shutter-hook is released. The knob D on the end of the shaft C is then turned, causing the crank to force the augenshaped end of the lever F downward into the slot a, thereby acting as a lever to swing the shutter outward. The shaft passes into the slot until the twisted or auger-shaped part is passed, when the flat portion acts as a stop, so as to prevent the shut ter from being swung backward and forward.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
The shaft O, crank E, lever F, and slotted plate G, when combined to operate as described.
In testimony that I claim the foregoing as my own I hereby affix my signature in the presence of two witnesses.
LEWIS H. WATSON.
Witnesses:
R. H. MARSH, Tiros. S. MERCER.
US117226D Improvement in shutter-workers Expired - Lifetime US117226A (en)

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