US173005A - Improvement in crank-speeders - Google Patents

Improvement in crank-speeders Download PDF

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US173005A
US173005A US173005DA US173005A US 173005 A US173005 A US 173005A US 173005D A US173005D A US 173005DA US 173005 A US173005 A US 173005A
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Prior art keywords
crank
improvement
speeders
pitman
spindle
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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
    • F16HGEARING
    • F16H19/00Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • F16H19/043Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack for converting reciprocating movement in a continuous rotary movement or vice versa, e.g. by opposite racks engaging intermittently for a part of the stroke
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/18Mechanical movements
    • Y10T74/18056Rotary to or from reciprocating or oscillating
    • Y10T74/18088Rack and pinion type
    • Y10T74/18096Shifting rack

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Description

J, D'. HA'ZLET.
GRANK-SPEEDER.
Patented Feb. 1,18%.
N-o.173.oo5.
w A i n N. PETERS, PH
UNITE STATES PATENT OFFICE.
JOHN D. HAZLET, OF MEADVILLE, PENNSYLVANIA.
IMPROVEMENT-IN CRANK-SPEEDER S.
Specification forming part of Letters Patent No. 173,005, dated February 1,1876; application filed November 115, 1874.
To all whom it may concern I Be it known that I, JOHN D. HAZLET, of Meadville, Pennsylvania, have invented a Crank-Speeder, of which the following is a secure them together by the lugs at the ends.
(See dotted lines through the center of Fig. 2.) I will then make the pinion B to mesh into A and fit it tight to the spindle E. The case is fitted loose on the hub of G, and loose on the spindle E, which has a beveled head, and beveled tightener G to take up the wear. The end of the spindle E from the dotted shoulder marked J is made square,(see J, Fig. 2,) and fits tight into, a mortise through the boss H and the pitman I; thus, the pitman I, spindle E, and pinion B, are all firmly united together.
Now, when the pitman is forced down, the whole power of the tread is exerted on the cogs'ot' A direct, for the rigid'pinion forces A, cog by cog, before it, while it makes the circuit of a crank and has not only given a revolution to A and O by the crank movement, but has added to that movement by just the number of cogs it has pushed in making the circuit. It the pinion B is just half th dif ameter of A, it will quicken the movement of A and 0 just a halt revolution, but if A and B were of the same diameter, then a full revolution would beadded to that of the crank, or
if three revolutions were desired for a turn of I the crank, just reverse the gear and put the small wheel B on O, and the larger one A on E, and soon to any speed that may be de-' The case K is the medium by "which the wheels A and B are held in their relative position to each other. Having now described my invention, I
would state that I am aware that a system of gearing similar to that herein described has been employed, such gearing being shown in the patent granted to E. Soper Janu-ary 14, 1868, and I therefore do not claim said gearing broadly and irrespective of its arrangement but What I claim as new, and desire to secure I by Letters Patent, is-
The band-wheel O, mounted and turning looselyon the stud-shaft D, in combination with the spur-wheel A keyed to its hub or sleeve, inclosillg plates K, mounted and turning loosely on said hub, and affording bearings for the crank-pin E, to which the pitman
US173005D Improvement in crank-speeders Expired - Lifetime US173005A (en)

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