US91555A - Improved device for converting motion - Google Patents

Improved device for converting motion Download PDF

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Publication number
US91555A
US91555A US91555DA US91555A US 91555 A US91555 A US 91555A US 91555D A US91555D A US 91555DA US 91555 A US91555 A US 91555A
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United States
Prior art keywords
racks
guide
improved device
shaft
converting motion
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Expired - Lifetime
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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
    • Y10T74/18112Segmental pinion

Definitions

  • ⁇ My invention consists of certain guides, guide-blocks, and buffers, arranged as described.
  • Figure l is a side 4View of mylinvention.
  • Figure 2 is a modified formpf vmy rack.
  • y Figure 3 is a'gsectional view of myrack through .the
  • Figures 4 and 5 are guide-blocks.V
  • the double rack A is formed of the frame j a, to which are fastened,iu different planes, the racks B B, the' elastic buers c c, i and the connecting-rod I), by which the contrivance ⁇ may be attached to any machine of which'it shall 1 form a part.
  • Fig. 2 is an illustration of a simple curved rack.

Description

-l b 11; also the guide-rods ,ing two mutilated l alteinately.
tanned'` san- @stent @Wina THOMASA. MITCHELL, OF WASHINGTON, DISTRICT OF COLUMBIA.
Letters .Pate/at No. 91,555, dated June 22, 1869.
i IMPROYED-DEVICE FOR CONVERTIN G- MOTION.
had totheaccompanyfing drawings,and to the letters of reference marked thereon.
`My invention consists of certain guides, guide-blocks, and buffers, arranged as described.
In the accompanying drawingsl Figure l is a side 4View of mylinvention.
Figure 2 is a modified formpf vmy rack. y Figure 3 is a'gsectional view of myrack through .the
l line xz, fig.` 1.
Figures 4 and 5 are guide-blocks.V
In Iig. 1, the double rack Ais formed of the frame j a, to which are fastened,iu different planes, the racks B B, the' elastic buers c c, i and the connecting-rod I), by which the contrivance `may be attached to any machine of which'it shall 1 form a part.I r
Between the guiderods B-`B is the shaft E, carrypinions, meshing with the racks These pinions are formed with such a number of ,"fteeth, that dur-ing their continuous revolution, the
, rack will receive a reciprocating motion.V
The guide-rods ,B B, resting on the shaft E,are in- Y `telided to support and direct the'motiou of theframe y a. But if the frame and racks `he made in one piece,
" ,and solid,:a slt may be used, the :edges of which shall be the equivalent of the guide-bars.
y The buffers c c, striking the shaft E at each `end of be seen at Kiu sectional the stroke, prevent a strain upon the cogs of either rack or pinion at the instant of' changing motion.
,To avoid the wear of the shaft from the friction of the guide-rods, I introduce a block, similar to fig. 4 or 5, hung ou' the shaft between the guide-rods, as may view, fig. 3, in which E is the shaft; F F, the pinions'; B B, the guide-rods; b b, the racks; and a a, the frame.
For producing reciprocating' rectilinear motion, I prefer the form shown in fig. 1; but for certain purposes, I use racks of a simple or compound curvature, or any form adapted to the machine 'of which it makes part. Y
Fig. 2 is an illustration of a simple curved rack.
In order to increase the strength of the apparatus, I sometimes use four or more racks, arranged in opposite pairs, as in g. 3,'n which b H b H are the racks operated by the piuions F F.
Having thus described my invention,
I claim, and desire to secure by Letters Patent- 1. The guide-rods, forming a slot, resting on the shaft, for supporting-and directing the racks.
2. Introducing a block in the slot, or between the guide-bars, hung on the shaft, to reduce friction and cause a more smooth and even motion of the racks.
3. In combination with the above, the elastic buffers at each en d of the rack-frame, for preventing undue strain on the teeth of either racks or pinions, at
the end of stroke.
THOMAS A.. MITCHELL.
Witnesses DANIEL BREED, A. B. PAIGE.
US91555D Improved device for converting motion Expired - Lifetime US91555A (en)

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US91555A true US91555A (en) 1869-06-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995030846A1 (en) * 1994-05-06 1995-11-16 Iraj Yadegar An apparatus for conversion of reciprocating motion to rotary motion and vice versa
WO2014182958A1 (en) * 2013-05-08 2014-11-13 Gendell Alexander Gear and lever transmission system and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995030846A1 (en) * 1994-05-06 1995-11-16 Iraj Yadegar An apparatus for conversion of reciprocating motion to rotary motion and vice versa
US5528946A (en) * 1994-05-06 1996-06-25 Yadegar; Iraj Apparatus for conversion of reciprocating motion to rotary motion and vise versa
WO2014182958A1 (en) * 2013-05-08 2014-11-13 Gendell Alexander Gear and lever transmission system and method

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