US265632A - Mechanical movement - Google Patents

Mechanical movement Download PDF

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US265632A
US265632A US265632DA US265632A US 265632 A US265632 A US 265632A US 265632D A US265632D A US 265632DA US 265632 A US265632 A US 265632A
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teeth
wheel
mechanical movement
rack
spaces
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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
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings 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
    • F16H19/04—Gearings 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
    • F16H19/043—Gearings 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
    • 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
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18088—Rack and pinion type
    • Y10T74/18112—Segmental pinion

Definitions

  • ical movements used to convert rectilinear reciprocating motion into continuous rotary motion; and it consists of a segmental cog-wheel having a regular series of epicyeloidal teeth with a large tooth and a notch at each end of the series; also, in two racks arranged parallel with each other and connected rigidly by end pieces and adapted to engage the segmental cog-wheel in alternation.
  • A is a segmental cog-wheel, mounted on the shaft B, and having a series, D, of epicycloidal teeth covering about one-third of its periphery. At opposite ends of this series of teeth there are spaces a a double the width of the spaces between the teeth of the series D, and adjoining these spaces there are teeth I) b of double the size of the teeth of the series D. Beyond and adjoining the large teeth I) I) there are plain spaces 0 0, beyond which there are notchcsd d.
  • the racks E E are arranged with -their toothed sides facing each other, and their ends are. connected by the curved end pieces,-F Gr, one of which is secured to the piston-rod of an engine or other reciprocating body, the other being connected with a guide-rod.
  • Each rack is a counterpart of the segmental gear of the Wheel A, the teeth H H corresponding with the teeth D of the wheel A,the large teeth 0 e fitting the spaces a a, the spaces f f receiv- (No model.)
  • Thedouble rack is re ls s QJ l resented in the drawing as having n'early completed its stroke in the direction indicated by the arrow 1, moving the wheel A in the direction shown by arrow 2.
  • the lug g with the shoulder formed by the notch d completes the half-revolution of the wheel A and brings the large tooth 1) into engagement with the large tooth c of the rack E when the motion of the double rack is to be reversed, so that it will move in the direction of arrow 3.
  • the tooth b of the wheel A will then be engaged by the tooth e of the rack E, and the teeth D will follow, being engaged by the teeth H of the rack E.
  • the same operation is repeated. 7

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Description

L L. E W 0. P. B B
' MECHANICAL MOVEMENT.
No. 265,632. Patezited Oct. 10, 1882.
WITNESSES ATTORNEYS.
UNITED STATES.
PATENT OFFICE,
' BENJAMIN B. POWELL, OF PETOSKEY, MICHIGAN.
MECHANICAL MOVEMENT.
SPECIFICATION forming part of Letters Patent No. 265,632, dated October 10, 1882.
Application filed March 15, 1882.
ical movements used to convert rectilinear reciprocating motion into continuous rotary motion; and it consists of a segmental cog-wheel having a regular series of epicyeloidal teeth with a large tooth and a notch at each end of the series; also, in two racks arranged parallel with each other and connected rigidly by end pieces and adapted to engage the segmental cog-wheel in alternation.
Referring to the drawing, A is a segmental cog-wheel, mounted on the shaft B, and having a series, D, of epicycloidal teeth covering about one-third of its periphery. At opposite ends of this series of teeth there are spaces a a double the width of the spaces between the teeth of the series D, and adjoining these spaces there are teeth I) b of double the size of the teeth of the series D. Beyond and adjoining the large teeth I) I) there are plain spaces 0 0, beyond which there are notchcsd d.
The racks E E are arranged with -their toothed sides facing each other, and their ends are. connected by the curved end pieces,-F Gr, one of which is secured to the piston-rod of an engine or other reciprocating body, the other being connected with a guide-rod. Each rack is a counterpart of the segmental gear of the Wheel A, the teeth H H corresponding with the teeth D of the wheel A,the large teeth 0 e fitting the spaces a a, the spaces f f receiv- (No model.)
ing the large teethb b, and the notches d (1 'receiviiwthe lu s r. Thedouble rack is re ls s QJ l resented in the drawing as having n'early completed its stroke in the direction indicated by the arrow 1, moving the wheel A in the direction shown by arrow 2. the lug g with the shoulder formed by the notch d completes the half-revolution of the wheel A and brings the large tooth 1) into engagement with the large tooth c of the rack E when the motion of the double rack is to be reversed, so that it will move in the direction of arrow 3. The tooth b of the wheel A will then be engaged by the tooth e of the rack E, and the teeth D will follow, being engaged by the teeth H of the rack E. At the opposite end of the double rack the same operation is repeated. 7
It will be observed that in this mechanical movement there are no dead-centers, the reciprocation of the rack in either direction and in any position relative to the segmental gearwheel producing rotary motion in the wheel.
Having thus described myinvention, I claim as new and desire to secure by Letters Patent In a mechanical movement, a segmental wheel having at opposite ends of a series of epicycloidal teeth large spaces an, large teeth I) 1), plain surfaces 0 c, and notches old, in combination with a double rack having correspond i'ng teeth and spaces, and lugs g g, substantially as herein specified.
BENJAMIN B. POWELL.
Vitnesses:
W. E. WALLAon, S, H. WALLIS.
The engagement ot"
US265632D Mechanical movement Expired - Lifetime US265632A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771782A (en) * 1953-03-24 1956-11-27 Stuart Davis Ltd Reciprocatory drive for a rack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771782A (en) * 1953-03-24 1956-11-27 Stuart Davis Ltd Reciprocatory drive for a rack

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