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US163905A - Improvement in folding music-stands - Google Patents

Improvement in folding music-stands Download PDF

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Publication number
US163905A
US163905A US163905DA US163905A US 163905 A US163905 A US 163905A US 163905D A US163905D A US 163905DA US 163905 A US163905 A US 163905A
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Prior art keywords
stands
standard
improvement
music
legs
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F16M11/28Undercarriages for supports with one single telescoping pillar

Definitions

  • My invention relates to the lower portion of a music-stand; and consists of an arrangement for folding the legs back against the standard. in order that the music-stand may occupy but little space in transportation.
  • the nature of the invent-ion in detail is fully described below.
  • Figure 1 is a view of the lower portion of a music-stand, including the standard and legs, and embodying my invention.
  • Fig. 2 is a view of the same when folded.
  • Fig. 3 is a detached view of a portion of the stand.
  • Fig. 4 is a plan of the portion shown in Fig. 3, the standard being in section.
  • (t represents the standard which supports the upper portion of the music-stand.
  • b is the tripod, to which are hinged the legs 0, con-- structed substantially as common.
  • Each of the legs 0 is supplied with a rod, d, connecting it with a slide, e, upon the standard a.
  • e are projections, which receive the upper ends of the rods d.
  • f is a pin projecting from the standard a
  • g is a slot in the slide 0, extending its whole length.
  • the slide 0 is slightly turned upon the standard at until the pin f is opposite theslot g.
  • the slide 6 is then pushed up on the standard until the rods 01 have drawn the legs 0 into the position shown in Fig. 2.
  • the slide 0 passes the pin f it springs back, owing to the pressure from the rods d.
  • the slide 0 is pushed down until it reaches the pin f, when it is turned so as to allow the pin to pass through the slot g.
  • the rods 01 pull it back upon the standard, so that the slot g is not opposite the pin f, and it assumes the position seen in Figs. 1, 3, and 4.
  • the legs are kept firmly in place.
  • the simplicity of the device prevents its getting easily out of repair, and the operation of folding or unfolding is very quickly performed.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Description

UNITED STATES PATENT OEFIoE.
EUGENE A. WHITE, OF BOSTON, MASSACHUSETTS.
IMPROVEMENT IN FOLDING MUSIC-STANDS.
Specification forming part of Letters Patent No. 163,905, dated June 1, 1875; application filed April 8,1875.
To all whom it may concern:
Be it known that I, EUGENE A. WHITE, of Boston, in the county of Suffolk and State of Massachusetts, have invented a new and valuable Improvement in Folding Music-Stands and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings and to the letters of reference marked thereon.
My invention relates to the lower portion of a music-stand; and consists of an arrangement for folding the legs back against the standard. in order that the music-stand may occupy but little space in transportation. The nature of the invent-ion in detail is fully described below. v
In the accompanying illustration, Figure 1 is a view of the lower portion of a music-stand, including the standard and legs, and embodying my invention. Fig. 2 is a view of the same when folded. Fig. 3 is a detached view of a portion of the stand. Fig. 4 is a plan of the portion shown in Fig. 3, the standard being in section.
Similar letters of reference indicate corresponding parts.
(t represents the standard which supports the upper portion of the music-stand. b is the tripod, to which are hinged the legs 0, con-- structed substantially as common. Each of the legs 0 is supplied with a rod, d, connecting it with a slide, e, upon the standard a. e are projections, which receive the upper ends of the rods d. These are well shown in Figs. 3 and 4. f is a pin projecting from the standard a, and g is a slot in the slide 0, extending its whole length.
In practical operation, when the stand is to be folded for transportation or packing, the slide 0 is slightly turned upon the standard at until the pin f is opposite theslot g. The slide 6 is then pushed up on the standard until the rods 01 have drawn the legs 0 into the position shown in Fig. 2. As soon as the slide 0 passes the pin f it springs back, owing to the pressure from the rods d. When the legs are to be let down, the slide 0 is pushed down until it reaches the pin f, when it is turned so as to allow the pin to pass through the slot g. When the slide has passed over the pin, the rods 01 pull it back upon the standard, so that the slot g is not opposite the pin f, and it assumes the position seen in Figs. 1, 3, and 4. Thus the legs are kept firmly in place. The simplicity of the device prevents its getting easily out of repair, and the operation of folding or unfolding is very quickly performed.
Having thus fully described my invention, what I claim, and desire to secure by Letters Patent, is-
The combination, with the tripod b and legs a, of the rods d, slide 0 0, having a slot, 9, formed on its interior face, and the pin f, secured to the standard a, substantially as and for the purpose herein specified.
EUGENE A. WHITE. Witnesses:
HENRY W. WILLIAMS, E. H. OBER.
US163905D Improvement in folding music-stands Expired - Lifetime US163905A (en)

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US163905A true US163905A (en) 1875-06-01

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