US466205A - Wrought-metal split pulley - Google Patents

Wrought-metal split pulley Download PDF

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US466205A
US466205A US466205DA US466205A US 466205 A US466205 A US 466205A US 466205D A US466205D A US 466205DA US 466205 A US466205 A US 466205A
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arms
wrought
pulley
rim
section
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/32—Friction members
    • F16H55/36—Pulleys
    • F16H55/46—Split pulleys

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  • My invention relates to improvements in wrought-metal split pulleys; and it consists in certain features of construction and in combination of parts hereinafter described, and pointed out in the claims.
  • Figure 1 is an end elevation of a pulley embodying my invention.
  • Fig. 2 is an enlarged elevation, in transverse section, of one of the arms, taken on lines so as, Fig. 1.
  • the rim of the pulley is constructed in halves A A and of wrought-metal sheets or plates of suitable width for the face of the pulley.
  • the one end of each rim-section is bent at a sharp angle, as at a, to form one of the primaryarms B.
  • the two armsB B overlap each other and are curved outward, as at h b, to constitute the hub of the pulley, and the hub is constructed to fit a given standard size of shaft.
  • the overlapping sections of arms B B are drawn together by securing or clamping bolts b b on either side of the curved sections, whereby the hub of the pulley is clamped so firmly to the shaft that no other fastening is required.
  • each rim-section is bent inward at a more obtuse angle, as at a to form toes A for engaging an arm B, with securing-bolts b for securing these parts.
  • bolts 1) b the pulley can be divided into halves, and can therefore be readily mounted on or removed from the shaft.
  • Arms 0 C are arms or spokes for bracing, respectively, the central portions of the rim-section.
  • Arms 0 have toes O fastened to the rim, as shown, these arms having curved sections 0 and straight sections 0 for engaging the exterior of the hub and for engaging the opposing section of an arm B, to which latter section 0' is secured by means of the aforesaid bolts 12.
  • the different arms B and O, or either of them, may be curved in cross-section-for instance, as shown in Fig. 2to stiffen the arms, and this would be more likely done for a pulley of large diameter and broad face.
  • a wrought pulley of the split variety the rim whereof is constructed in two sections or halves, the one end of each rim-section being bent inward to constitute an arm, the two arms overlapping each other, the overlapping sections being curved outward to constitute the hub, the other end of the rim-section having inwardly-proj ecting toes'for engaging the opposing'arms, and with securing-bolts, substantially as shown, for fastening the arms together and thereby clamping the hub to the shaft and for fastening the opposing arms and toes, substantially as set forth.
  • the rim whereof is constructed in two sections or halves, the one end of each rim-section being integral with the pulley-arm, the two arms overlapping each other and constituting the hub of detachable arms having toes secured to the pulley-rim, these detachable arms having concaved sections engaging the periphery of the hub and having adjacent sections socured to the primary arms, substantially as set forth.
  • a split pulley comprising independent peripheral sections, each section having an integral arm curved outwardly to form a hub, said arms secured together on each side of the curved sections, substantially as set forth.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pulleys (AREA)

Description

(No Model.) v
(J. D. WEEKS. WROUGHT METAL SPLIT PULLEY.
No. 466,205. Patented Dec. 29, 1891.
11111 e 0111.). I In I/(JZ ("0 7':
56M r We,
.UNITED STATES PATENT OFFICE.
CHARLES D. WVEEKS, OF AKRON, OHIO.
WROUGHT-METAL SPLIT PU LLEY.
SPECIFICATION forming part of Letters Patent Lia/166,205, dated December 29, 1891.
Application filed July 8, 1891. Serial No. 398,850. (No model.)
To aZZ whom it may concern: 7
Be it known that I, CHARLES D. WEEKS, of Akron, in the county of Summit and State of Ohio, have invented certain new and useful Improvements in \Vrought-Nletal Split Pulleys; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use the same.
My invention relates to improvements in wrought-metal split pulleys; and it consists in certain features of construction and in combination of parts hereinafter described, and pointed out in the claims.
In the accompanying drawings, Figure 1 is an end elevation of a pulley embodying my invention. Fig. 2 is an enlarged elevation, in transverse section, of one of the arms, taken on lines so as, Fig. 1.
The rim of the pulley is constructed in halves A A and of wrought-metal sheets or plates of suitable width for the face of the pulley. The one end of each rim-section is bent at a sharp angle, as at a, to form one of the primaryarms B. The two armsB B overlap each other and are curved outward, as at h b, to constitute the hub of the pulley, and the hub is constructed to fit a given standard size of shaft. The overlapping sections of arms B B are drawn together by securing or clamping bolts b b on either side of the curved sections, whereby the hub of the pulley is clamped so firmly to the shaft that no other fastening is required. The other end of each rim-section is bent inward at a more obtuse angle, as at a to form toes A for engaging an arm B, with securing-bolts b for securing these parts. By removing bolts 1) b the pulley can be divided into halves, and can therefore be readily mounted on or removed from the shaft.
0 C are arms or spokes for bracing, respectively, the central portions of the rim-section. Arms 0 have toes O fastened to the rim, as shown, these arms having curved sections 0 and straight sections 0 for engaging the exterior of the hub and for engaging the opposing section of an arm B, to which latter section 0' is secured by means of the aforesaid bolts 12. The different arms B and O, or either of them, may be curved in cross-section-for instance, as shown in Fig. 2to stiffen the arms, and this would be more likely done for a pulley of large diameter and broad face.
What I claim is- 1. A wrought pulley of the split variety the rim whereof is constructed in two sections or halves, the one end of each rim-section being bent inward to constitute an arm, the two arms overlapping each other, the overlapping sections being curved outward to constitute the hub, the other end of the rim-section having inwardly-proj ecting toes'for engaging the opposing'arms, and with securing-bolts, substantially as shown, for fastening the arms together and thereby clamping the hub to the shaft and for fastening the opposing arms and toes, substantially as set forth.
2. In a wrought-metal split-pulley the rim whereof is constructed in two sections or halves, the one end of each rim-section being integral with the pulley-arm, the two arms overlapping each other and constituting the hub of detachable arms having toes secured to the pulley-rim, these detachable arms having concaved sections engaging the periphery of the hub and having adjacent sections socured to the primary arms, substantially as set forth.
3. A split pulley comprising independent peripheral sections, each section having an integral arm curved outwardly to form a hub, said arms secured together on each side of the curved sections, substantially as set forth.
In testimony whereof I sign this specification, in the presence of two witnesses, this 7th day of May, 1891.
CHARLES D. WEEKS.
Witnesses:
JAMES D. PARDEE, Ms. W. Soorr.
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