US1986608A - Nonmetallic beveled gear wheel - Google Patents

Nonmetallic beveled gear wheel Download PDF

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Publication number
US1986608A
US1986608A US566280A US56628031A US1986608A US 1986608 A US1986608 A US 1986608A US 566280 A US566280 A US 566280A US 56628031 A US56628031 A US 56628031A US 1986608 A US1986608 A US 1986608A
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United States
Prior art keywords
gear wheel
beveled gear
nonmetallic
teeth
beveled
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
Application number
US566280A
Inventor
Guy O Small
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Priority to US566280A priority Critical patent/US1986608A/en
Application granted granted Critical
Publication of US1986608A publication Critical patent/US1986608A/en
Anticipated expiration legal-status Critical
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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
    • 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
    • Y10T74/19—Gearing
    • Y10T74/1987—Rotary bodies
    • Y10T74/19893—Sectional
    • Y10T74/19916—Multiple disks

Definitions

  • the present invention relates to non-metallic
  • beveled gear wheels and especially to such gear wheels formed from woven fabric, such as cotton duck for example, united by an adhesive binder 5 such as a phenolic condensation product or other artificial resin.
  • One object of my invention is, to providean improved construction in a non-metallic beveled gear wheel formed from woven fabric which is capable of being readily manufactured at a low cost and inwhich the layers of'fabric run in a direction to give the greatest strength to the teeth, each layer of fabric that sustains stresses in the gear tooth being anchored in the body of the material below the root of the tooth.
  • a further object of my invention is to provide an improved method of manufacturing a gear wheel of this type or a blankfor such a gear wheel.
  • Fig. 1 shows. a fabric which has been treatedwith an uncured adhesive androlled to form a cylinder
  • Fig. 2 shows a step in carrying out my improve-d method
  • Fig. 3 shows a completed structure, the blank before the teeth are cut thereon being shown at the right hand portion of the view and the blank with teeth out I thereon being shown at the left hand portion of the view
  • Fig. 4 shows another form of bevel gear Wheel.
  • woven fabric such as cottonduckfor example, which has been treated with for example, an artificial resin, such as a phenolic condensation product, and wind it snugly on an arbor to form a roll 1 as shown in Fig. l.
  • the strip may be of a width equal approximately to the axial length of the finished gear wheel and the central opening 2 of the roll may have a diameter equal approximately to the size of the diameter of the bore desired through the hub or center of the gear wheel.
  • My invention is well adapted to the manufac i ture of beveled gear wheels of'relatively large di- 15 ameter, wherein a ring or cylinder of non-metallic material is supported on a metal hubor spider.
  • a beveled gear wheel comprising a cylinder formed entirely of successive concentric layers of woven fabric, each layer having its width extending axially of the cylinder, said layers being united by an adhesive, and bevel teeth out at an angle in one end of the cylinder.
  • a beveled gear wheel comprising a cylinder This gives the maximum 30

Description

Jan. 1, 1935.
G. O. SMALL NONMETALLIC BEVELED GEAR WHEEL Filed Oct. 1, 1931 Inventor: (Bug 0. Small,
b8 m H is Attorney.
Patent ed Jan. 1, 1935 UNITED STATE NONME'IALLIC BEVELED WHEEL Guy 0. Small, Lynn, Mass., assignor to General Electric Company,
a corporation of New York I Application October 1, 1931, Serial No. 566,280 2 Claims. (01. 74-445) The present invention relates to non-metallic,
beveled gear wheels and especially to such gear wheels formed from woven fabric, such as cotton duck for example, united by an adhesive binder 5 such as a phenolic condensation product or other artificial resin.
i lowing specification and the One object of my invention is, to providean improved construction in a non-metallic beveled gear wheel formed from woven fabric which is capable of being readily manufactured at a low cost and inwhich the layers of'fabric run in a direction to give the greatest strength to the teeth, each layer of fabric that sustains stresses in the gear tooth being anchored in the body of the material below the root of the tooth.
A further object of my invention is to provide an improved method of manufacturing a gear wheel of this type or a blankfor such a gear wheel.
For a consideration of what I believe tobe novel and my invention, attention is directed to the folthereto.
In the drawing, Fig. 1 shows. a fabric which has been treatedwith an uncured adhesive androlled to form a cylinder; Fig. 2 shows a step in carrying out my improve-d method; Fig. 3 shows a completed structure, the blank before the teeth are cut thereon being shown at the right hand portion of the view and the blank with teeth out I thereon being shown at the left hand portion of the view, and Fig. 4 shows another form of bevel gear Wheel.
In carrying out woven fabric such as cottonduckfor example, which has been treated with for example, an artificial resin, such as a phenolic condensation product, and wind it snugly on an arbor to form a roll 1 as shown in Fig. l. The strip may be of a width equal approximately to the axial length of the finished gear wheel and the central opening 2 of the roll may have a diameter equal approximately to the size of the diameter of the bore desired through the hub or center of the gear wheel. I then place the roll ina suitable die comprising a central member 3 and a surrounding ring 4 between which the roll fits snugly and compress it by means of a die member 5which enters the space between the members 3 and 4. As will be clear, this compresses the roll inan axial direction, the'fibres of the roll crinkling as shown in the right hand portion of Fig. 3. It will be understood that the roll is compressed in asuitably claims appended my invention I takea' strip of uncured adhesive,
heated press to cure the adhesive under heat and pressure, this being a well known step in the curing' of such an adhesive, that is, converting it into teeth for the beveled gear are then cut in one end 10 V of the blank as is indicated at 7 in Fig. 3, the teeth being cut to extend at an angle such as to give. the desired bevel. i
My invention is well adapted to the manufac i ture of beveled gear wheels of'relatively large di- 15 ameter, wherein a ring or cylinder of non-metallic material is supported on a metal hubor spider.
This form of my invention is shown in Fig. 4
'wherein 8 indicates a metal hub or spider provided with an annular recess 9 in which is suit- '20 ably fixed a ring or cylinder 10 of non-metallic material made in accordance with my invention and provided with beveled teeth 11. 1 *With the above construction it will be seen that in the finished gear wheel the layers of fabric 25 extend transversely of the teeth and from the root to the tip so that the edges of the layers of fabric are exposed to the working or contacting surfaces of the teeth and each layer is anchored in the body of the gear wheel.
strength to the teeth. This advantageous arrangement of the layers in theteeth is obtained fina relatively simple manner and by a method of manufacture readily carried out; By my method 9 of manufacture I am enabled thus to provide satisfactory beveled gear wheels at relatively low cost. What I claim as new and desire to secure by Letters Patent of the United States is:
l. A beveled gear wheel comprising a cylinder formed entirely of successive concentric layers of woven fabric, each layer having its width extending axially of the cylinder, said layers being united by an adhesive, and bevel teeth out at an angle in one end of the cylinder.
2. A beveled gear wheel comprising a cylinder This gives the maximum 30
US566280A 1931-10-01 1931-10-01 Nonmetallic beveled gear wheel Expired - Lifetime US1986608A (en)

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US566280A US1986608A (en) 1931-10-01 1931-10-01 Nonmetallic beveled gear wheel

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US566280A US1986608A (en) 1931-10-01 1931-10-01 Nonmetallic beveled gear wheel

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3795860A4 (en) * 2018-05-17 2022-02-16 ENEOS Corporation Bevel gear component, bevel gear, and bevel gear component manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3795860A4 (en) * 2018-05-17 2022-02-16 ENEOS Corporation Bevel gear component, bevel gear, and bevel gear component manufacturing method

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