US202621A - Improvement in mirrors - Google Patents

Improvement in mirrors Download PDF

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Publication number
US202621A
US202621A US202621DA US202621A US 202621 A US202621 A US 202621A US 202621D A US202621D A US 202621DA US 202621 A US202621 A US 202621A
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Prior art keywords
mirror
socket
improvement
plug
tapering
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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
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction

Definitions

  • This invention relates to certain improvements on that class of mirror attachments for which a patent was granted to me December 29, 187 4, No. 158,348.
  • My present improvement consists in the combination, with a mirror-supporting standard, of a curved arm, provided with a tapering socket, a bracket to which the mirror is secured, and a tapering plug, which is attached to said bracket and fits the tapering socket of the curved arm, so that the point around which the mirror turns is brought right over the center of the mirror-supporting standard, and the steadiness of the mirror is improved.
  • the letter A designates a standard, which rises from a foot, B, in which it may be firmly secured by a nut, a, as shown in Fig. 1, or to which it may be connected in such a manner that it can freely swivel therein.
  • a curved arm, 0, which is provided with a tapering socket, b, to receive a plug, D, which is firmly connected to a bracket, E, to which the mirror F is secured by means of screws, rivets, nails, or any other suitable fastenings.
  • the plugD swivels in the socket. b, and its point of connection with the bracket E is situated in line with the center of the standard A, so that the mirror can be turned without danger of being upset.
  • a set-screw, c which retains the plug D in its socket, serves to adjust said plug, so that it does not turn spontaneously in its socket, and that it permits of adjusting the mirror to any desired inclination.
  • the curved arm C may be provided with a second tapering socket, d, (see Fig. 2,) which fits a plug, G, extending from the upper end of the standard A, so that the mirror can be turned in a horizontal plane without moving the footplate B.
  • the plug G and socket d can be dispensed with.
  • said arm instead of providing the curved arm 0 with a tapering socket, b, said arm might be provided with a plug to fit a tapering socket secured to the bracket E; or, in other words, the position of the plugs and sockets may be reversed without changing the result of my improvements.

Description

H. S. WOOD.
' Mirror.
No. 202,621. Patented April I6, 1878.
UNITED STATES PATENT OEEIcE.
HENRY S. WOOD, OF NEW YORK, N. Y.
IMPROVEMENT IN MIRRORS.
Specification forming part of Letters Patent No. 202,621, dated April 16, 1878; application filed December 18, 1877.
To all whom it may concern:
Be it known that I, HENRY S. WOOD, of the city, county, and State of New York, have invented a new and useful Improvement in Mirror Attachments, which improvement is fully set forth in the following specification, reference being had to the accompanying drawing, in which Figure 1 represents a sectional side elevation; and Fig. 2 is a sectional rear View, on a -larger scale than the previous figure.
Similar letters indicate corresponding parts.
This invention relates to certain improvements on that class of mirror attachments for which a patent was granted to me December 29, 187 4, No. 158,348.
My present improvement consists in the combination, with a mirror-supporting standard, of a curved arm, provided with a tapering socket, a bracket to which the mirror is secured, and a tapering plug, which is attached to said bracket and fits the tapering socket of the curved arm, so that the point around which the mirror turns is brought right over the center of the mirror-supporting standard, and the steadiness of the mirror is improved.
In the drawing, the letter A designates a standard, which rises from a foot, B, in which it may be firmly secured by a nut, a, as shown in Fig. 1, or to which it may be connected in such a manner that it can freely swivel therein. From the upper end of said standard extends a curved arm, 0, which is provided with a tapering socket, b, to receive a plug, D, which is firmly connected to a bracket, E, to which the mirror F is secured by means of screws, rivets, nails, or any other suitable fastenings. The plugD swivels in the socket. b, and its point of connection with the bracket E is situated in line with the center of the standard A, so that the mirror can be turned without danger of being upset.
A set-screw, c, which retains the plug D in its socket, serves to adjust said plug, so that it does not turn spontaneously in its socket, and that it permits of adjusting the mirror to any desired inclination.
The curved arm C may be provided with a second tapering socket, d, (see Fig. 2,) which fits a plug, G, extending from the upper end of the standard A, so that the mirror can be turned in a horizontal plane without moving the footplate B.
If the standard A is made to swivel in the foot-plate, the plug G and socket d can be dispensed with. Y
Instead of providing the curved arm 0 with a tapering socket, b, said arm might be provided with a plug to fit a tapering socket secured to the bracket E; or, in other words, the position of the plugs and sockets may be reversed without changing the result of my improvements.
What I claim as new, and desire to secure by Letters Patent, is-
The combination, with a mirror-supporting standard, of a curved arm, provided with a tapering socket, to which the mirroris secured, and a tapering plug, which is attached to said bracket and fits the tapering socket of the curved arm, substantially in the manner and for the purpose herein shown and described.
In testimony that I claim the foregoing l have hereunto set my hand and seal this 8th day of November, 1877.
HENRY S. WOOD. [L. s.] Witnesses:
J VAN SANTVOORD, E. F. KAs'rENHUBEn.
US202621D Improvement in mirrors Expired - Lifetime US202621A (en)

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US202621A true US202621A (en) 1878-04-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476239A (en) * 1945-02-24 1949-07-12 Harold E Duncan Support for indicator gauges
US2608367A (en) * 1950-04-26 1952-08-26 Boltuch Leon Adjustable support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476239A (en) * 1945-02-24 1949-07-12 Harold E Duncan Support for indicator gauges
US2608367A (en) * 1950-04-26 1952-08-26 Boltuch Leon Adjustable support

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