US46050A - higham - Google Patents

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Publication number
US46050A
US46050A US46050DA US46050A US 46050 A US46050 A US 46050A US 46050D A US46050D A US 46050DA US 46050 A US46050 A US 46050A
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United States
Prior art keywords
cord
higham
same
nut
screw
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47HFURNISHINGS FOR WINDOWS OR DOORS
    • A47H3/00Fastening, clamping, or guiding devices for the bands or cords of curtains or the like
    • A47H3/02Fastening, clamping, or guiding devices for bands or cords
    • A47H3/08Cord-tensioning devices for curtains with two cords
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H7/00Gearings for conveying rotary motion by endless flexible members
    • F16H7/08Means for varying tension of belts, ropes, or chains
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H7/00Gearings for conveying rotary motion by endless flexible members
    • F16H7/08Means for varying tension of belts, ropes, or chains
    • F16H2007/0863Finally actuated members, e.g. constructional details thereof
    • F16H2007/0872Sliding members

Definitions

  • My invention consists of a grooved screw, a nut adapted to the same, a sliding bar and a knob or its equivalent for receiving the cord of the window shade, the whole being arranged and operating as described hereafter, so that the said cord maybe under the control of the screw and nut and cannot become slack without turning the latter.
  • Figure l is a vertical section of my improved adjuster for window shade cords;
  • Fig. Q a front view of the Same and
  • Fig. 3 a transverse section on the line 1 2, Fig. 1.
  • A is a screw each end of which is secured to a bent plate B, the two plates being attached to the window frame in a suitable .position by screws or nails passing through 46,650, dated January 24, 1865.
  • groove for receiving the cord of the window shade being attached to this bar near one end of the same.
  • grooved for the reception of the cord may be hung to a pin attached to the bar e.
  • a nut /z is adapted to the screw A, incloses the bar c and is confined between the lip z' of the bar and the shoulder 7' formed by the knob, so that on turning the latter thebar e with its knob must be raised or lowered according to the direction in which the nut is turned.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Description

UNITED STATES PATENT OFFICE.
ENOS T. HIGHAM, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO HIMSELF AND D. HIGHAM, 0F SAME PLAGE.
WINDOW-SHADE ADJUS'IER.
VSpecification of Letters Patent No.
To all whom t may concern Be it known that I, Enos T. I-IIGHAM, ot Philadelphia, Pennsylvania, have invented an Adjuster for Vindow-Shade Cords; and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had' to the accompanying drawing and to the letters of reference marked thereon.
My invention consists of a grooved screw, a nut adapted to the same, a sliding bar and a knob or its equivalent for receiving the cord of the window shade, the whole being arranged and operating as described hereafter, so that the said cord maybe under the control of the screw and nut and cannot become slack without turning the latter.
In order to enable others to makeny invention I will now proceed 'to describe the manner of constructing the same.
On reference to the accompanying drawing which forms a part of this specification, Figure l is a vertical section of my improved adjuster for window shade cords; Fig. Q, a front view of the Same and Fig. 3 a transverse section on the line 1 2, Fig. 1.
Similar letters reiter to similar parts throughout the several views.
A is a screw each end of which is secured to a bent plate B, the two plates being attached to the window frame in a suitable .position by screws or nails passing through 46,650, dated January 24, 1865.
groove for receiving the cord of the window shade being attached to this bar near one end of the same. In place of the knob f a pulley, grooved for the reception of the cord may be hung to a pin attached to the bar e.
A nut /z is adapted to the screw A, incloses the bar c and is confined between the lip z' of the bar and the shoulder 7' formed by the knob, so that on turning the latter thebar e with its knob must be raised or lowered according to the direction in which the nut is turned. a
It will be evident without further description that the device described above affords every facility for tightening or loosening the cord of the window shade, and that the cord being under the control of the screw and nut `cannot become slack without turn- Aing the latter.
ENOS T. HIGHAM.
Vitnesses HENRY HowsoN, CHARLES Howsoiv.
US46050D higham Expired - Lifetime US46050A (en)

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US46050A true US46050A (en) 1865-01-24

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