US60545A - William palmer - Google Patents

William palmer Download PDF

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Publication number
US60545A
US60545A US60545DA US60545A US 60545 A US60545 A US 60545A US 60545D A US60545D A US 60545DA US 60545 A US60545 A US 60545A
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United States
Prior art keywords
blind
slats
spring
palmer
william
Prior art date
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Expired - Lifetime
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B61D27/0072—Means for cooling only
    • B61D27/0081—Means for cooling only of wagons for transporting refrigerated goods
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B7/08—Louvre doors, windows or grilles
    • E06B7/084—Louvre doors, windows or grilles with rotatable lamellae
    • 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
    • Y10T292/00—Closure fasteners
    • Y10T292/76—Blind-slat holders

Definitions

  • Figure 2 is a longitudinal section.
  • My'Y said invention consists of a single half-elliptic spring 'with the ends turned in, yin order to hold the same, or other mechanical device may be used for the purpose of ,holding the spring in place.
  • A represents the stile
  • B the blind-slats
  • C the stayrod,nnnited or connected in the usual manner to the blindslats
  • D the spring.
  • the spring D is placed on the inside of thepstile, between the stile and thc ends of the blind-slats, and is always in contact with one or more -of the blind-slats, and, by the friction of the spring D, the blind slats are-always held in any desirable position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Displays For Variable Information Using Movable Means (AREA)

Description

@nimh tst stzut @Hirn IMEEcvED DEvIcE- EOE EAsTENINe `mimi-SEATS.
.TO ALL WHOM IT MAY CONGERN:
Be it known' that I, WILLIAM PALMER, of theicity, county, and State of New Yotk,'haye invented, made, and applied to use a certain new and useful improvement for holding Blind-Slate; and I do hereby declare the foilowing tube a full, clear, andexact description of the said invention, reference being had to the accompanying drawings, making part of this specication, wherein- Figure l'is an elevation.
Figure 2 is a longitudinal section.
Similar letters of reference indicate the same parts.
Mechanical devices have heretofore been made for holding blind-slats; my invention does not relate to either of these devices,as they are well known. v
My'Y said invention consists of a single half-elliptic spring 'with the ends turned in, yin order to hold the same, or other mechanical device may be used for the purpose of ,holding the spring in place. In the drawing, A represents the stile, B the blind-slats, C the stayrod,nnnited or connected in the usual manner to the blindslats; D the spring. The spring D is placed on the inside of thepstile, between the stile and thc ends of the blind-slats, and is always in contact with one or more -of the blind-slats, and, by the friction of the spring D, the blind slats are-always held in any desirable position.
Having described my invention, I will now state what I claim, and desire to secure by Letters Patent I claim the adjustable half-elliptic spr-ing D, as arranged and constructed, and 4for the purposes as set forth.
WILLIAM PALMER.
Witnesses: l
Cms. MERRILL, Cms. En. HABE.
US60545D William palmer Expired - Lifetime US60545A (en)

Publications (1)

Publication Number Publication Date
US60545A true US60545A (en) 1866-12-18

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ID=2130084

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US60545D Expired - Lifetime US60545A (en) William palmer

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