US105573A - Improved shade-cord retainer - Google Patents

Improved shade-cord retainer Download PDF

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US105573A
US105573A US105573DA US105573A US 105573 A US105573 A US 105573A US 105573D A US105573D A US 105573DA US 105573 A US105573 A US 105573A
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Prior art keywords
cord
cord retainer
improved shade
shade
stud
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Expired - Lifetime
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H3/00—Fastening, clamping, or guiding devices for the bands or cords of curtains or the like
    • A47H3/02—Fastening, clamping, or guiding devices for bands or cords
    • A47H3/08—Cord-tensioning devices for curtains with two cords
    • 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
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • 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
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H2007/0863—Finally actuated members, e.g. constructional details thereof
    • F16H2007/0872—Sliding members

Definitions

  • ⁇ Figure 1 is afperspective view of my improved shade-cord retainer, and y Figure 2, a verticalseetion of the same.
  • A is a plate secured to the window-i'rame,4 and havmg a yoke or staple-like projection, through .the front of which passes a thumb-screw. y

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Helmets And Other Head Coverings (AREA)

Description

i rinttml tatet eww @tithe `Enos T. "HIeHAM', or PHILADELPHIA,"PENNSYLVANIA, AssIeNon To HIMSELFVAND DANrEL HIGHAM, or SAME PLACE.
Letters"Patent` No. 105,573, datcflfJ'uly 19, 1870; aterlated July 1870.
IMPRovED SHADE-conn RETAINER.
The Schedule referred to inlthese Letters Patent and making part of the sume .,I, Enos T. HIGHAM, of Bhiladelpha, countyV of Philadelphia, State of Pennsylvania, have invented an Improved Shade-cord Retainer' of which the-following is a specificationK i Nature and Object of the I invention.
with a wedge-shaped'bar, having a stud or its equivalent for receiving the shade-cord, the whole forming a y cheap, simple, and effective self-tightening cord-retainer. l
Description of `the Accompanying Drawing.
`Figure 1 is afperspective view of my improved shade-cord retainer, and y Figure 2, a verticalseetion of the same.
General Description. A is a plate secured to the window-i'rame,4 and havmg a yoke or staple-like projection, through .the front of which passes a thumb-screw. y
B `is` a metalrbar of the wedge sbapereprcsented and fitted snugly, but so as to slide freely in the yoke of plate A, the upper thin end of the xbar being provided witha suitable stud, d, round which passes the vshade-cord. E, and the lower and thicker end of the bar havingalue, which, together with the said stud (I, prevents the detachmentof the barl from the plate A.
Diliculty is--experienced with many ofthe cord-re- .tainers in vcommon use, to prevent the adjustable stud,
round which the cord passes, from slipping,"the necessaly tension imparted tothe cord frequently exerting such force on the stud and its appendages, that a sud- 'den releasing of the stud, and consequent running It will be seen that, in my device, the greater the tension im parted to the cord i down of the shade, takes place.
is, the tighter will be the hold ofthe bar, owingr to its wedge-like shape on the permanent plate A, and the tighter will be thescrew,owingto the actionof the wedge. Even'if the screw should accidentally become loose, it cannot permit the 'wedge-shaped bar torise to any great height, before it, as well as the screw, again becomes tighter.
Ola-im. V
The combination f a plate, A, yoke, a, and thumbscrew, b, or its equivalent, with the wedge-shaped bar Baudv the stud d, or its equivalents, for receiving the cord E.
In testimony whereof I have signed my name to this speeification in presence of two subscribing witnesses. A
\Vitnesses: ENOS T. HIGHAM.
JOHN WHITE, l HARRY SMIT H.
US105573D Improved shade-cord retainer Expired - Lifetime US105573A (en)

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