US30172A - whitwell - Google Patents

whitwell Download PDF

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Publication number
US30172A
US30172A US30172DA US30172A US 30172 A US30172 A US 30172A US 30172D A US30172D A US 30172DA US 30172 A US30172 A US 30172A
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US
United States
Prior art keywords
shade
whitwell
view
new york
roller end
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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    • 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
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40Roller blinds
    • E06B9/42Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E06B9/50Bearings specially adapted therefor

Definitions

  • Shade xtures have before been invented to be used without a ratchet pulley in a variety of ways by the application of friction to the roller end in different positions.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Description

UNITED STATES PATENT OFFICE.
J. G. VHITVELL, OF NEW YORK, N. Y.
CURTAIN; FIXTURE.
Specicaton of Letters Patent No. 30,172, dated September 25, 1860.
T o all whom it may concern:
Be it known that I, J. G. VVHITWELL, of
the city of New York, in the county and State of New York, have invented a new and useful Improvement in Curtain-Fixtures; and I do hereby declare that the following is a full, clear, and exact description of the construction and operat-ion of the same, reference being had to the annexed drawings, making a part. of this specification, in which- Figure l is a perspective view. inside View. Fig. 3 a side View. view of the expanded roller end.
Shade xtures have before been invented to be used without a ratchet pulley in a variety of ways by the application of friction to the roller end in different positions.
Fig. 2 an Fig. 4 a
The nature of this invention is by expanding the end in an oval box, which serves for its socket pressing` the shade cord against the inner surface of the box or socket, thus holding the shade in any position and causing it to revolve either way by pulling either of the cords.
That I claim, and desire to secure by Letters Patent, is-
Holding the shade cord or band against a friction surface by expanding the roller end or by an equivalent.
J. G. VVHITVELL.
Titnesses J. W. HOLMES, Jr., A. A. HOLMES.
US30172D whitwell Expired - Lifetime US30172A (en)

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US30172A true US30172A (en) 1860-09-25

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US30172D Expired - Lifetime US30172A (en) whitwell

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4873135A (en) * 1971-12-28 1973-10-02
US4557709A (en) * 1982-05-03 1985-12-10 I Corp. Belt tensioner system
US4957471A (en) * 1989-07-24 1990-09-18 St John Richard C Adjustable locked center and dynamic tensioner
US20030187089A1 (en) * 2002-02-04 2003-10-02 Lustre-Cal, A California Corporation Perma-ink insert mold decoration system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4873135A (en) * 1971-12-28 1973-10-02
JPS576092B2 (en) * 1971-12-28 1982-02-03
US4557709A (en) * 1982-05-03 1985-12-10 I Corp. Belt tensioner system
US4957471A (en) * 1989-07-24 1990-09-18 St John Richard C Adjustable locked center and dynamic tensioner
US20030187089A1 (en) * 2002-02-04 2003-10-02 Lustre-Cal, A California Corporation Perma-ink insert mold decoration system

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