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US435371A - Guard or shield for projecting surfaces - Google Patents

Guard or shield for projecting surfaces Download PDF

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Publication number
US435371A
US435371A US435371DA US435371A US 435371 A US435371 A US 435371A US 435371D A US435371D A US 435371DA US 435371 A US435371 A US 435371A
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United States
Prior art keywords
guard
shield
screw
head
projecting surfaces
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Expired - Lifetime
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0078—Safety devices protecting the operator, e.g. against accident or noise
    • B23Q11/0082—Safety devices protecting the operator, e.g. against accident or noise by determining whether the operator is in a dangerous position
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2193—Guard mechanisms
    • Y10T74/2199—Set screw

Definitions

  • This invention has for its object to provide a guard or shield for the protruding head or end of the set-Screw by which pulleys and the like are secured to a shaft, whereby a smooth and uninterrupted surface may be presented.
  • the invention consists in a guard or shield adapted to inclose or conceal the said head and to be attached at a point between its ends to the said projecting head.
  • My invention has particular referenceto the means for holding the said guard or shield in place by attaching it to the projecting head of the set-screw.
  • the drawing shows in side elevation a pulley having a set-screw inclosed by a guard orshield embodying this invention.
  • the shaft or is herein shown as having thereon a pulley b, through the hub of which a set-screw 0 passes to secure the pulley to the shaft.
  • a guard or shield (1, shown as a strip, block, or piece of metal, or it may be of any other Suitable material, curved to conform to the curvature of the hub, is placed on the hub inclosing or concealing the projecting end or head of the set-screw c.
  • This guard or shield 01 is attached to the head of the set-screw c by means of a small screw 6 or otherwise.
  • guard or shield By attaching the guard or shield to the head of the set-screw it may be easily and cheaply secured in position, and it will not readily become loosen ed or slip off, and dealers can keep for sale guards ready to be applied, together, if desired, with topped set-screws. I do not desire to limit my invention to the employment of a screw, as e, for attaching the guard, because other means may be employed for attaching it on the setscrew 0.
  • I claim- A guard or shield for protecting the heads of set-screws of pulleys, consisting of a piece having a curved side to conform to the curvature of the hub of the pulley or collar and secured to the head of said set-screw, substantially as described.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Endoscopes (AREA)

Description

(N0 Model.)
R L STIGKNEY Y GUARD OB. SHIELD FOR PROJEGTING SURFACES.
No. 435,371. Patented Aug. 26, 1890 wmaw:
UNITED STATES PATENT OFFICE.
RANDOLPH L. STICKNEY, OF PEABODY, ASSIGNOR OF ONE-HALF TO KING UPTON, OF SALEM, MASSACHUSETTS.
GUARD OR SHIELD FOR PROJECTING SURFACES.
SPECIFICATION forming part of Letters Patent No. 435,371, dated August 26, 1890.
Application filed July 24, 1890- Serial N0.359,'736. (No model.)
To all whom it may concern:
Be it known that I, RANDOLPH L. STICK- NEY, of Peabody, county of Essex, State of Massachusetts, have invented an Improvement in Guards or Shields for Projecting Surfaces, of which the following description, in connection with the accompanying drawing, is a specification, like letters on the drawing representing like parts.
This invention has for its object to provide a guard or shield for the protruding head or end of the set-Screw by which pulleys and the like are secured to a shaft, whereby a smooth and uninterrupted surface may be presented.
The invention consists in a guard or shield adapted to inclose or conceal the said head and to be attached at a point between its ends to the said projecting head.
My invention has particular referenceto the means for holding the said guard or shield in place by attaching it to the projecting head of the set-screw.
The drawing shows in side elevation a pulley having a set-screw inclosed by a guard orshield embodying this invention.
The shaft or is herein shown as having thereon a pulley b, through the hub of which a set-screw 0 passes to secure the pulley to the shaft. A guard or shield (1, shown as a strip, block, or piece of metal, or it may be of any other Suitable material, curved to conform to the curvature of the hub, is placed on the hub inclosing or concealing the projecting end or head of the set-screw c. This guard or shield 01 is attached to the head of the set-screw c by means of a small screw 6 or otherwise. By attaching the guard or shield to the head of the set-screw it may be easily and cheaply secured in position, and it will not readily become loosen ed or slip off, and dealers can keep for sale guards ready to be applied, together, if desired, with topped set-screws. I do not desire to limit my invention to the employment of a screw, as e, for attaching the guard, because other means may be employed for attaching it on the setscrew 0.
I claim- A guard or shield for protecting the heads of set-screws of pulleys, consisting of a piece having a curved side to conform to the curvature of the hub of the pulley or collar and secured to the head of said set-screw, substantially as described.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
RANDOLPH L. STIOKNEY.
Witnesses:
GEORGE O. FAERINGTON, CHARLEs S. WEIGHT.
US435371D Guard or shield for projecting surfaces Expired - Lifetime US435371A (en)

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US435371A true US435371A (en) 1890-08-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090100590A1 (en) * 2007-10-23 2009-04-23 Continuum Footspas, Llc Basin for a foot spa

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090100590A1 (en) * 2007-10-23 2009-04-23 Continuum Footspas, Llc Basin for a foot spa

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