US853214A - Shaft and pulley collar. - Google Patents

Shaft and pulley collar. Download PDF

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Publication number
US853214A
US853214A US30524206A US1906305242A US853214A US 853214 A US853214 A US 853214A US 30524206 A US30524206 A US 30524206A US 1906305242 A US1906305242 A US 1906305242A US 853214 A US853214 A US 853214A
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United States
Prior art keywords
shaft
collar
pulley
shield
pulley collar
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Expired - Lifetime
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US30524206A
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Epaphras Lee Beal
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Individual
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Priority to US30524206A priority Critical patent/US853214A/en
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    • 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 relates to collars for shafts and pulleys having set-screws whereby they may be secured in position upon a shaft; and it has for its object vto provide means for shielding said set-screw from sustaining or inflicting injury.
  • the invention consists in the improved construction, arrangement and combination of parts which will be hereinafter fully described and particularly pointed out in the collar is provided adjacent to the radial recess 2 with shallow depressions constituting a seat for a curved plate or shield 4 the outer face of which is flush with the rim of the collar.
  • the shield or plate 4 is provided on its under side with dovetailed ribs 5, 5 engaging dovetailed grooves 6, 6 formed in the shallow depressions constituting the seat which latter is designated 8.
  • the depressions constituting the seat do not extend entirely across the rim or face of the pulley, the latter being provided with a narrow stop-flange 7 forming a stop to limit the movement of the shield 4 in one direction.
  • the dovetailed ribs 5 will, when in engagement with the grooves 6, be held with a degree of friction that will be sufficient to retain the shield 4 in position.
  • a collar having a radial recess accommodating the head of a fastening screw and provided adjacent to said recess with shallow depressions extending partly across the rim of the collar, the latter being provided with a stop-flange, and said depressions having dovetailed grooves, in combination with a shield provided near the ends thereof with dovetailed ribs engaging the grooves.

Description

No. 853,214. PATENTED MAY 14, 1907.
I B. L. BBAL.
SHAFT AND PULLEY COLLAR.
APPLICATION FILED MARIO, 1906.
- avwenfor,
1'": "ohms PETERS 0a., WASHINGTON u c EPAPHRAS LEE BEAL, OF FREDERIOKSBURG, TEXAS. ,j
SHAFT AND PULLEY COLLAR.
Specification of Letters Patent.
Patented May 14, 1907.
Application filed March 10, 1906. Serial No 305,242.
To all whmn it may concern:
Be it known that I, EPAPHRAS LEE BEAL, a citizen of the United States, residing at Fredericksburg, in the county of Gillespie and State of Texas, have invented certain new and useful Improvements in Shaft and Pulley Collars, of which the following is a j specification, reference being had therein to the accompanying drawing.
This invention relates to collars for shafts and pulleys having set-screws whereby they may be secured in position upon a shaft; and it has for its object vto provide means for shielding said set-screw from sustaining or inflicting injury.
The invention consists in the improved construction, arrangement and combination of parts which will be hereinafter fully described and particularly pointed out in the collar is provided adjacent to the radial recess 2 with shallow depressions constituting a seat for a curved plate or shield 4 the outer face of which is flush with the rim of the collar. The shield or plate 4 is provided on its under side with dovetailed ribs 5, 5 engaging dovetailed grooves 6, 6 formed in the shallow depressions constituting the seat which latter is designated 8. The depressions constituting the seat do not extend entirely across the rim or face of the pulley, the latter being provided with a narrow stop-flange 7 forming a stop to limit the movement of the shield 4 in one direction. The dovetailed ribs 5 will, when in engagement with the grooves 6, be held with a degree of friction that will be sufficient to retain the shield 4 in position.
What is claimed is:
A collar having a radial recess accommodating the head of a fastening screw and provided adjacent to said recess with shallow depressions extending partly across the rim of the collar, the latter being provided with a stop-flange, and said depressions having dovetailed grooves, in combination with a shield provided near the ends thereof with dovetailed ribs engaging the grooves.
In testimony whereo I hereunto affix my signature in presence of two witnesses.
EPAPHRAS LEE BEAL.
Witnesses:
JOHN KLAERNER, MAx J. BIERSOI-IWAB.
US30524206A 1906-03-10 1906-03-10 Shaft and pulley collar. Expired - Lifetime US853214A (en)

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US30524206A US853214A (en) 1906-03-10 1906-03-10 Shaft and pulley collar.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30524206A US853214A (en) 1906-03-10 1906-03-10 Shaft and pulley collar.

Publications (1)

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US853214A true US853214A (en) 1907-05-14

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Family Applications (1)

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US30524206A Expired - Lifetime US853214A (en) 1906-03-10 1906-03-10 Shaft and pulley collar.

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