US393065A - Flexible shaft - Google Patents

Flexible shaft Download PDF

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Publication number
US393065A
US393065A US393065DA US393065A US 393065 A US393065 A US 393065A US 393065D A US393065D A US 393065DA US 393065 A US393065 A US 393065A
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flexible shaft
flexible
shaft
april
partly
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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
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
    • F16D3/72Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members with axially-spaced attachments to the coupling parts
    • 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
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/02Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements
    • 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
    • Y10T74/20Control lever and linkage systems
    • Y10T74/20396Hand operated
    • Y10T74/20402Flexible transmitter [e.g., Bowden cable]
    • Y10T74/20456Specific cable or sheath structure

Definitions

  • My invention relates to improvements in flexible shafts employed in the transmission of rotary power or motion, and has for its objects to produce a flexible shaft which is of a simpler construction, possesses a greater amount of flexibility and strength in comparison to size, and can be rotated at a greater speed than heretofore has been the case. I attain these objects partly by the construction illustrated in the accompanying drawings, in which- Figure 1 is partly a side view and partly a longitudinal section, and Fig. 2 a cross section, of my improved flexible shaft.
  • Theimproved flexible shaft A I form of two layers of steel bars, of flat section, (see Figs. 1 and 2,) a a, one placed tightly within the other, the inner layer, a, being wound on its edge or narrower side and the outer layer, a, on its flat or wider side.
  • the inner layer thus being at a less pitch than the outer layer, a,
  • the strength and flexibility of the described construction of shaft may be varied at pleasure, according to circumstances, by respectively increasing or decreasing the section of the steel bars in. flatness.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

(No Model.)
'T. GARE.
FLEXIBLE SHAFT.
No. 398,065. Patented Nov. 20, 1888.
1 r r r r v Mrmy' N Firms. Pholwmno nphe, Wishinglnn. n.c.
UNITED STATES ATENT FFICE.
THOMAS GARE, OF STOCKPORT, COUNTY OF CHESTER, ENGLAND.
FLEXIBLE'SHAFT.
SPECIFICATION forming part of Letters Patent No. 393,065, dated November 20, 1888.
Application filed April 1:), 1887. Serial No. 234.552.
(No model.) Patented in England November 5, 1884, No. 14,617, and
May 30, 1885, No. 6,588; in France April 14, 1885, No.168.257; in Belgium April 16, 1885, No. 68,546; in Germany May 3, I885, No. 81,102; in Austria-Hungary May 7, 1885, No. 36,341 and No. 65,617, and in Italy July 15,1885, No. 18.637.
To all whom it may concern:
Be it known that I, THOMAS GARE, a subject of the Queen of Great Britain, residing at Stockport, in the county of Chester, Kingdom of Great Britain, boot and shoe manufacturer, have invented a new and useful Improvement in Flexible Shafts, (for which I have obtained patents partly relating to same in Great Britain, No. 14,617, November 5, 1884, and No. 6,588, May 30, 1885; in France, No. 168,257, April 14, 1885; in Belgium, No. 68,546, April 16, 1885; in Germany,No. 34,102, May 3, 1885; in Italy, No. 18,637, July 15, 1885; and in Austria-Hungary, Nos. 36,347 and 65,617, May 7,1885,) of which the following is a specification.
My invention relates to improvements in flexible shafts employed in the transmission of rotary power or motion, and has for its objects to produce a flexible shaft which is of a simpler construction, possesses a greater amount of flexibility and strength in comparison to size, and can be rotated at a greater speed than heretofore has been the case. I attain these objects partly by the construction illustrated in the accompanying drawings, in which- Figure 1 is partly a side view and partly a longitudinal section, and Fig. 2 a cross section, of my improved flexible shaft.
Similar letters refer to similar parts throughout the figures.
Theimproved flexible shaft A, I form of two layers of steel bars, of flat section, (see Figs. 1 and 2,) a a, one placed tightly within the other, the inner layer, a, being wound on its edge or narrower side and the outer layer, a, on its flat or wider side. The inner layer thus being at a less pitch than the outer layer, a,
is more flexible than the latter, which is very essential, owing to the difference in the curvature to which the layers are subject in the working of the shaft.
The strength and flexibility of the described construction of shaft may be varied at pleasure, according to circumstances, by respectively increasing or decreasing the section of the steel bars in. flatness.
I am aware that prior to my invention flexible shafts have been made by twisting together several strands of steel wire, over which are lapped one or more layers of steel Wire in the same or in a reverse direction to each other and enveloped with leather or other flexible material. This construction of shaft is very expensive, bulky, does not afford the required strength and flexibility, soon loses its elasticity and strength, owing to the several strands of wire continuously wearing on each other, thus does not straighten itself after being bent, and cannot be run at a high speed, owing to its bucking and whipping. I therefore do not claim such combinations, broadly; but
What I claim as my invention, and desire to secure by Letters Patent, is
In a flexible shaft, the combination of an innerand an outer layer of cylindrically-wound steel bars, a and a, of flat section, the inner layer, a, being wound on its edge or narrower side and the outer layer, a, on its flat or wider side, as set forth.
llIa-nchester, Lancaster, England.
THOMAS GARE.
In presence of- FERDINAND BOSSHARDT, THOMAS A. FoULKEs.
US393065D Flexible shaft Expired - Lifetime US393065A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2917909A (en) * 1956-09-28 1959-12-22 Josutis Willi Flexible joints
US20140047942A1 (en) * 2011-04-22 2014-02-20 Hi-Lex Corporation Control cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2917909A (en) * 1956-09-28 1959-12-22 Josutis Willi Flexible joints
US20140047942A1 (en) * 2011-04-22 2014-02-20 Hi-Lex Corporation Control cable

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