US813757A - Power mechanism. - Google Patents

Power mechanism. Download PDF

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Publication number
US813757A
US813757A US25161105A US1905251611A US813757A US 813757 A US813757 A US 813757A US 25161105 A US25161105 A US 25161105A US 1905251611 A US1905251611 A US 1905251611A US 813757 A US813757 A US 813757A
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United States
Prior art keywords
arms
shaft
treadles
treadle
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US25161105A
Inventor
John W Wihlborg
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Individual
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Individual
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Priority to US25161105A priority Critical patent/US813757A/en
Application granted granted Critical
Publication of US813757A publication Critical patent/US813757A/en
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Expired - Lifetime legal-status Critical Current

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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
    • F16H31/00—Other gearings with freewheeling members or other intermittently driving members
    • F16H31/003—Step-by-step mechanisms for rotary motion
    • F16H31/005—Step-by-step mechanisms for rotary motion with pawls driven by a reciprocating or oscillating transmission member
    • 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
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1526—Oscillation or reciprocation to intermittent unidirectional motion
    • Y10T74/1553—Lever actuator
    • Y10T74/1555—Rotary driven element
    • Y10T74/1556—Multiple acting

Definitions

  • This invention relates to devices 'for transmitting motion from treadles to a shaft and the object of the invention is to provide an improved and easy-running connection for that purpose.
  • Figure l is a sectional plan view of the treadles and the connections to the drive-shaft.
  • Fig. 2 is a horizontal sectional view of the grip mechanism.
  • Fig. 3 is a side view, partly in section, showing the clutch or grip mechanism and bearings on the main shaft.
  • Fig. 4 is a view similar to Fig. 3 with the parts in different positions.
  • Fig. 5 is a view of a modification, showing a more direct connection between the treadles and the grip mechanism.
  • A indicates the usual stationary frame or iron supports for a sewing or other machine.
  • treadles B is the cross-bar on which the treadles run.
  • treadles C and D are mounted upon sleeves C and D, respectively, upon the bar B, and these sleeves are supported on ballbearings b and b', respectively.
  • the cone of the bearing b backs against the treadle C, and the treadles are thus spaced apart.
  • One sleeve is arranged within the other, as shown.
  • the sleeve C of the treadle C extends through the sleeve D of the treadle D, the ballbearings b supporting the sleeve C upon the rod B and the ballbearings b supporting the -sleeve D upon the sleeve C.
  • the sleeve C/ carries a rigid arm C2, located conveniently beside an arm. D2, projecting from the treadle D, bringing the connecting-rods c and d, by which the motion is communicated,vto one side of the machine ⁇
  • the connecting-rods c and d are pivotally attached at one end, as at X, to the -treadle-arms and at the other end are connected to the clutch mechanisms, (indicated at G and F, respectively,) operating to drive the shaft J, which carries a fly-wheel H and is supported in bearings I on the frame of the machine.
  • the end of each rod c and d is shaped to form one of a pair of arms f, the
  • Each of the arms f is connected by a ballbearing joint at f3 with a projection f5, eX- tending from a circular housing L, which extends around the drive-shaft J, and each of the arms f2 is similarly connected to a projectionf, extending from a similar housing.
  • the housing L incloses blocks 71:5, whichcause the balls k2 to engage the shaft'J when the housing is turned in one direction by means of the interior lugs or shoulders Z, which press the springs 764 against said blocks and cause them to force the balls k2 in the narrow or reduced end of the recesses Z,.which are formed within the housing around said shaft.
  • the clutches connected to each treadle are independently operated. Conse uently either one or both treadles may be usel also, since the clutches do not grip except when the treadle is moved either one or both treadles may be held still and the shaft will continue to rotate.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Description

No. 813,757. PATENTED FEB. 27, 1906. J. W. WIHLBORG. POWER MEGHANISM.
APPLICATION FILED Mums. 1905.
z SHEETS-SHEET 1.
WIT /NVENO/e JOHN W. WIHLBORG, OFv CHICAGO, ILLINOIS.
POWER NIECHANISIVI.
Specification of Letters Patent.
Patented Feb. 27, 1906.
Application filed March 23, 1905. Serial No. 251,611.
To a/ZZ whom it may concern.-
Beit known that I, JOHN W. WIHLBORG, ay subject of the King of Sweden and Norway, residing at Chicago, in the county of Cook and State of Illinois, have invented new and useful Improvements in Power Mechanism, of which the following is a specification.
This invention relates to devices 'for transmitting motion from treadles to a shaft and the object of the invention is to provide an improved and easy-running connection for that purpose.
In the accompanying drawings, Figure l is a sectional plan view of the treadles and the connections to the drive-shaft. Fig. 2 is a horizontal sectional view of the grip mechanism. Fig. 3 is a side view, partly in section, showing the clutch or grip mechanism and bearings on the main shaft. Fig. 4 is a view similar to Fig. 3 with the parts in different positions. Fig. 5 is a view of a modification, showing a more direct connection between the treadles and the grip mechanism.
Referring specifically to the drawings, A indicates the usual stationary frame or iron supports for a sewing or other machine.
B is the cross-bar on which the treadles run. These treadles C and D are mounted upon sleeves C and D, respectively, upon the bar B, and these sleeves are supported on ballbearings b and b', respectively. The cone of the bearing b backs against the treadle C, and the treadles are thus spaced apart. One sleeve is arranged within the other, as shown. Thus the sleeve C of the treadle C extends through the sleeve D of the treadle D, the ballbearings b supporting the sleeve C upon the rod B and the ballbearings b supporting the -sleeve D upon the sleeve C.
At one end the sleeve C/ carries a rigid arm C2, located conveniently beside an arm. D2, projecting from the treadle D, bringing the connecting-rods c and d, by which the motion is communicated,vto one side of the machine` The connecting-rods c and d, referred to, are pivotally attached at one end, as at X, to the -treadle-arms and at the other end are connected to the clutch mechanisms, (indicated at G and F, respectively,) operating to drive the shaft J, which carries a fly-wheel H and is supported in bearings I on the frame of the machine. The end of each rod c and d is shaped to form one of a pair of arms f, the
other, f2, of which is pivoted thereto by a bolt m, held by a nut m.
Each of the arms f is connected by a ballbearing joint at f3 with a projection f5, eX- tending from a circular housing L, which extends around the drive-shaft J, and each of the arms f2 is similarly connected to a projectionf, extending from a similar housing. The housing L incloses blocks 71:5, whichcause the balls k2 to engage the shaft'J when the housing is turned in one direction by means of the interior lugs or shoulders Z, which press the springs 764 against said blocks and cause them to force the balls k2 in the narrow or reduced end of the recesses Z,.which are formed within the housing around said shaft.
When the rod c or d is thrust out, it spreads the arms ffz, vas indicated in Fig. 3, and when it is pulled in the other direction it draws the arms together, as indicated in Fig. 4. The clutches carried by the respective arms operate oppositely, so that one takes on the thrust and the other on the pull, and the shaft is lintermittently gripped and is caused to rotate always in the same direction. Rubber cushions (indicated at Z) are interposed between the arms to deaden the noise of their coming together.
In the modification shown in Fig. 5 the arms f are connected directly to the treadles, as by a pivot at y, and will belfound servicee able under some conditions.
The clutches connected to each treadle are independently operated. Conse uently either one or both treadles may be usel also, since the clutches do not grip except when the treadle is moved either one or both treadles may be held still and the shaft will continue to rotate.
What I claim as new, and desire to secure by Letters Patent, is
The combination with a treadle, of a connecting-rod pivotally connected at one end thereto and shaped at the other end to form one of a pair Vof arms, the other armof said pair hinged to said rod, a shaft, and clutch connections between the arms and the shaft. In vtestimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
u JOHN W. WIHLBORG. Witnesses:
SIGNA FELTsKoG, H. G. BATcHELoR.
IOO
US25161105A 1905-03-23 1905-03-23 Power mechanism. Expired - Lifetime US813757A (en)

Priority Applications (1)

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US25161105A US813757A (en) 1905-03-23 1905-03-23 Power mechanism.

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US25161105A US813757A (en) 1905-03-23 1905-03-23 Power mechanism.

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