US85846A - Improved curtain-fixture - Google Patents

Improved curtain-fixture Download PDF

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Publication number
US85846A
US85846A US85846DA US85846A US 85846 A US85846 A US 85846A US 85846D A US85846D A US 85846DA US 85846 A US85846 A US 85846A
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Prior art keywords
fixture
screw
slide
improved curtain
improved
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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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/18—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using cams, levers, eccentrics, or toggles
    • F16B2/185—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using cams, levers, eccentrics, or toggles using levers
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32532—Clamped members

Definitions

  • A in the drawing, represents the sheet-metal or other plate of a cord-tightener.
  • the upper part of the screw is left without a thread, and is larger than the lower threaded partof it, so as to form a shonldenfb, as shown.
  • D is the small roller or pulley to receive the string.
  • I t is fitted around the upper smooth part of the screw, which is so much longer than the said roller is thick, that the latter can never be clamped by the screw.
  • the slide When the cord is to be stretched or slackened, the slide is, by means of the knob (l, readily moved down or up; but when the position has been ascertained, the screw is turned, so that its end comes against the back 0f the plate A, while the shoulder b comes against the face of the slide B, as shown in lig. 2. Thereby the lplate A will be slightly sprung, so that the slide B will be firmly held in position.

Description

staten @met PATRICK OTHAYNE AND DAVID w. CANFIELD, or NEW Yon-K, N. Y.
Letters Patent No. 85,846, dated January 12, 1869.
IMPRovED CURTAIN-FIXTURE.
To all whom it mwy conce/rn:
Be it known that we, PATRICK OTHAYNE and DA- VID W. GANFLELD, of New York, in the county of New York, and State of New York, have invented a new and improved Gord-Tightener for Window-Shade Fixtures and we do hereby declare that the following is a full, clear, and exact description thereof, which'will enable others skilled in the art to make and use the same, ref-` window-shades are Aheld stretched, and consists in the construction of the various parts, as will be hereinafter more fully described.
A, in the drawing, represents the sheet-metal or other plate of a cord-tightener.
Itis provided with turned edges, in which, as on rails, the slide B can be moved up and down at will.
Through this slide maybe tted a screw, O, onthc outer end of which a knob, a, is formed.
The upper part of the screw is left without a thread, and is larger than the lower threaded partof it, so as to form a shonldenfb, as shown.
D is the small roller or pulley to receive the string. I t is fitted around the upper smooth part of the screw, which is so much longer than the said roller is thick, that the latter can never be clamped by the screw.
When the cord is to be stretched or slackened, the slide is, by means of the knob (l, readily moved down or up; but when the position has been ascertained, the screw is turned, so that its end comes against the back 0f the plate A, while the shoulder b comes against the face of the slide B, as shown in lig. 2. Thereby the lplate A will be slightly sprung, so that the slide B will be firmly held in position.
By this simple apparatus, the adjusting of the cord will be greatly facilitated, withoutintertering with the functions of the roller D.
Having thus described our invention,
We claim as new, and desire to secure by Letters Patent The block B, provided with side grooves adapted to slide upon the turned edges ofthe'plate A, and reeeivin g the screw C in such a manner that it shall be clamped in any desired position when the vpoint-oi' the screw is brought in contact with the back ofthe plate, as herein shown and described. P. 'OTHAYNE D. lV. CANFIELD. Witnesses:
FRANK BLOGKLEY, ALEX. F. ROBERTS.
US85846D Improved curtain-fixture Expired - Lifetime US85846A (en)

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