US25801A - Island - Google Patents

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Publication number
US25801A
US25801A US25801DA US25801A US 25801 A US25801 A US 25801A US 25801D A US25801D A US 25801DA US 25801 A US25801 A US 25801A
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Prior art keywords
slats
blind
slat
disk
spring
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00Heating, cooling, ventilating, or air-conditioning
    • B61D27/0072Means for cooling only
    • B61D27/0081Means for cooling only of wagons for transporting refrigerated goods
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00Special arrangements or measures in connection with doors or windows
    • E06B7/02Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B7/08Louvre doors, windows or grilles
    • E06B7/084Louvre doors, windows or grilles with rotatable lamellae
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/76Blind-slat holders

Definitions

  • Figure, 1 is a perspective view of a pair of blinds with my improvement attached.
  • Fig. 2 is a plan and side view of the parts composing the devices by which the result described is effected.
  • A, A, A are the slats of a blind constructed in the ordinary way and worked simultaneously by the connecting rod, B.
  • the notches can be made either with the corners rounded, or straight, and in the latter case the slat could not be turned without rst unlocking it by depressing the spring. I have found it most convenient to make all the notches with rounded corners except the last which is made with a straight edge so that the blind can be operated by the rod except where turned flat in which position the slats are locked so that they cannot easily be moved from the outside.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Blinds (AREA)

Description

UNITED sTATEs PATENT oEEIoE.
CHAS. G. BLOOMER, OF NORTH KINGSTON, RHODE ISLAND.
OPERATING WINDOW-BLINDS.
Specification of Letters Patent No. 25,801, dated October 18, 1859 To all whom 'it may concern:
Be it known that I, CHARLES G. BLooMER, of North Kingston, in the county of Waslr ington and State of Rhode Island, have invented a new and useful Improvement in Means for Adjusting and Holding in Position the Slats of'Door or Window Blinds at any Desired Angle; and I do hereby declare that the following specification, taken in connection with the drawings making a part of the same, is a full, clear, and exact description thereof.
Figure, 1, is a perspective view of a pair of blinds with my improvement attached. Fig. 2 is a plan and side view of the parts composing the devices by which the result described is effected.
It is a matter of common experience that after the tenons to the slats of blinds have become worn, the slats have a tendency to turn downward, owing to the weight of the connecting rod, and thus when the blind is closed against the window admits the rays of the sun, and the rain.
Besides the convenience of being able to adjust and to hold the slats at any desired angle for the purpose of regulating the admission of light and air it is also desirable so to secure them that their positions cannot easily be changed from the outside.
To produce a device which when attached to one of the slats of a window blind shall render the blind capable of being adjusted and held at any angle and also secure the slats when closed, from the danger of being changed from the outside is the object of my improvement.
In order that my improvement may be understood I will proceed to describe its operation.
A, A, A are the slats of a blind constructed in the ordinary way and worked simultaneously by the connecting rod, B.
On the under face of the lowest slat (in the case shown in the drawing) either at the extremity of the slat or at any other place as may be found most convenient, I attach a disk of metal in the form of a segment of a circle, perpendicular to the face of the slat, as shown in the drawing, (C, Fig. 1)-the periphery of this metallic disk is provided with as many notches d, d, d as it is desired to have positions for the slats. Upon the bottom stile of the blind I attach a spring, or other equivalent instrument, having upon that part of its upper face which is under the periphery of the disk a tooth or projection, g, which by the upward tendency of the spring is made to engage with some one of the notches on the disk and thus hold the slat in the desired position (E Fig. l).
It is evident that the notches can be made either with the corners rounded, or straight, and in the latter case the slat could not be turned without rst unlocking it by depressing the spring. I have found it most convenient to make all the notches with rounded corners except the last which is made with a straight edge so that the blind can be operated by the rod except where turned flat in which position the slats are locked so that they cannot easily be moved from the outside.
It is evident that my improvement need not necessarily be attached to the lowest slat and bottom stile of a blind-the segmental disk can be attached to any one of the slats of the series and the spring catch be attached to either of the side stiles. I consider however the method shown in the drawings to be on the whole more convenient than any other.
What I claim as my invention and desire to secure by Letters Patent is The segmental disk D or its equivalent, and the spring F or its equivalent in combination with one of the slats of a blind, when arranged to operate in the manner substantially as described for the purposes specified.
CHAS. G. BLOOMER.
Witnesses:
JAMES M. RIPLEY, JOHN GARTLAND.
US25801D Island Expired - Lifetime US25801A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909715A (en) * 1987-11-25 1990-03-20 Mitsubishi Denki Kabushiki Kaisha Rotating type intake and discharge apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909715A (en) * 1987-11-25 1990-03-20 Mitsubishi Denki Kabushiki Kaisha Rotating type intake and discharge apparatus

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