US36537A - Improved fan attachment to sewing-machines - Google Patents

Improved fan attachment to sewing-machines Download PDF

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US36537A
US36537A US36537DA US36537A US 36537 A US36537 A US 36537A US 36537D A US36537D A US 36537DA US 36537 A US36537 A US 36537A
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sewing
machines
machine
fan attachment
improved fan
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S209/00—Classifying, separating, and assorting solids
    • Y10S209/93—Municipal solid waste sorting

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  • This invention consists in attaching a fan to the treadle of a sewing-machine in such a manner that motion will-be given said fan by the movement of the treadle in operating the sewing-machine, the device at the same time notinterfering with the proper opera-tion of any ot' the parts ofthe sewing-machine nor requiring any special Amanipulation of any kind.
  • A represents an upright bar which is attached to the top of the stand on which the sewing-machine is placed and secured.
  • This upright is provided with a base, B, through which screws pass into the top of the stand, said base having a hole, a, in it',”through which and a corresponding hole in the top of the stand a rod, C, passes, the latter being attached to the treadle ot' the sewing-machine.
  • a lever, D In the upper end of the upright bar A there is titteda lever, D, the lever being secured in a i'ork, b, in the upright by a fulcrnm-pin, c.
  • the upper end of the rod C is connected to the end of the lever D, and on the back part of said lever D, directly over its fnlcrum-pin c, there is a socket, d, in which the handle ofl a fan, E, is inserted and secured by a set-screw, e, as shown clearly in the drawing.
  • the fan E projects a suitable distance in front of they upright bar A to be in a proper relative position with the face of the operator.
  • the lever D may be placed in a reverse position-.that is to say, project back of the uprightv bar A, instead of infront of it, and the rod C passes down back ofthe stand of the machine.
  • This arrangement would avoid the cutting ot' a hole in the top of the stand for the rod C to pass through; but with the lever thus reversed it would be more exposed and would subject the machine to greater risk of being broken.
  • the lever and fan applied to a sewing-machine and arranged so as to be operated from the treadle thereof', substantially as herein set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sewing Machines And Sewing (AREA)

Description

UNITD STATI-:s-
PATENT. @r1-tong VILLIAh/I T. SPENCE, ST. LOUIS, MISSOURI.
IMPROVED FAN ATTACHMENT TO SEWING-MACHINES.
Specification forming part of Letters Patent- No. 36,537, dated-.September 23, 1862.
To all whom it Amay conce-rn Be it known that I, WILLIAM T. SPENCE, of St. Louis, in the county of St. Louis and State of Missouri, have invented a new and Improved Fan Attachment for Sewing-Machines; and I do hereby declare that the following is a full,clear, and exact description ,of the same, reference being had to the accompanying drawing, making a part of this specitcation, said drawing beinga perspective Vview of my-invention.
This invention consists in attaching a fan to the treadle of a sewing-machine in such a manner that motion will-be given said fan by the movement of the treadle in operating the sewing-machine, the device at the same time notinterfering with the proper opera-tion of any ot' the parts ofthe sewing-machine nor requiring any special Amanipulation of any kind.
To enable those skilled in the art to fully understand and construct my invention, I will proceed to describe it.
A represents an upright bar which is attached to the top of the stand on which the sewing-machine is placed and secured. This upright is provided with a base, B, through which screws pass into the top of the stand, said base having a hole, a, in it',"through which and a corresponding hole in the top of the stand a rod, C, passes, the latter being attached to the treadle ot' the sewing-machine. In the upper end of the upright bar A there is titteda lever, D, the lever being secured in a i'ork, b, in the upright by a fulcrnm-pin, c. The upper end of the rod C is connected to the end of the lever D, and on the back part of said lever D, directly over its fnlcrum-pin c, there is a socket, d, in which the handle ofl a fan, E, is inserted and secured by a set-screw, e, as shown clearly in the drawing. The fan E projects a suitable distance in front of they upright bar A to be in a proper relative position with the face of the operator.
From this description it will be seen that when the sewing-machine is operated a vibratory motion will be communicated to the fan E, through the medium of the treadle ot' the machine and the rod C and a corresponding being ina p1 reci:tble. The cost of the fan attach-v ment will be buttriilingpvhile in warm weather it will greatly relieve the operator, especially if at work in a close or illy-ventilated apartment.
would remark that, if desired, the lever D may be placed in a reverse position-.that is to say, project back of the uprightv bar A, instead of infront of it, and the rod C passes down back ofthe stand of the machine. This arrangement would avoid the cutting ot' a hole in the top of the stand for the rod C to pass through; but with the lever thus reversed it would be more exposed and would subject the machine to greater risk of being broken.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
The lever and fan applied to a sewing-machine, and arranged so as to be operated from the treadle thereof', substantially as herein set forth.
WILLIAM T. SPENGE.
Nitnessesz A. WATSON TILLMAN, VJOHN LoLnR.
US36537D Improved fan attachment to sewing-machines Expired - Lifetime US36537A (en)

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