GB794440A - Improvements in or relating to cord and drum drive systems - Google Patents

Improvements in or relating to cord and drum drive systems

Info

Publication number
GB794440A
GB794440A GB1648155A GB1648155A GB794440A GB 794440 A GB794440 A GB 794440A GB 1648155 A GB1648155 A GB 1648155A GB 1648155 A GB1648155 A GB 1648155A GB 794440 A GB794440 A GB 794440A
Authority
GB
United Kingdom
Prior art keywords
spindle
cord
drum
collet
spring
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
Application number
GB1648155A
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.)
ROBERT DAVIDSON RUNCIMAN
General Electric Co PLC
Original Assignee
ROBERT DAVIDSON RUNCIMAN
General Electric Co PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ROBERT DAVIDSON RUNCIMAN, General Electric Co PLC filed Critical ROBERT DAVIDSON RUNCIMAN
Priority to GB1648155A priority Critical patent/GB794440A/en
Publication of GB794440A publication Critical patent/GB794440A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
    • H03J1/10—Rope drive; Chain drive
    • 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
    • F16H19/06—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 flexible members, e.g. an endless flexible member
    • F16H19/0672—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 flexible members, e.g. an endless flexible member characterised by means for tensioning the flexible member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Abstract

794,440. Linkwork; securing drums to shafts. GENERAL ELECTRIC CO., Ltd., and RUNCIMAN, R. D. June 4, 1956 [June 8, 1955], No. 16481/55. Classes 80 (2) and 80 (3). [Also in Group XL (c)] In a cord drive such as for radio tuning capacitors 4 wherein the two ends of a cord 8 carrying a tuning indicator 17 and wound round the spindle 13 of a tuning knob 14 are fixed to a cylindrical cup or drum 1 on the capacitor spindle 3, the drum 1 is frictionally secured to the spindle 3 by means of a split collet 2, Fig. 1, which is riveted to the drum and is forced to grip the spindle by a surrounding helical spring 5 which also serves to tension the cord 8. The internal diameter of the spring 5 in its natural state is slightly less than the external diameter of the collet, and the ends of the cord pass through holes in the drum and are attached under tension to the extended ends of the spring. The inner surface of the collet 2 is coated with cellulose enamel to improve its grip on the spindle. The cord 8 passes round the pulleys shown and is wound three and a half times around the spindle 13.
GB1648155A 1955-06-08 1955-06-08 Improvements in or relating to cord and drum drive systems Expired GB794440A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1648155A GB794440A (en) 1955-06-08 1955-06-08 Improvements in or relating to cord and drum drive systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1648155A GB794440A (en) 1955-06-08 1955-06-08 Improvements in or relating to cord and drum drive systems

Publications (1)

Publication Number Publication Date
GB794440A true GB794440A (en) 1958-05-07

Family

ID=10078124

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1648155A Expired GB794440A (en) 1955-06-08 1955-06-08 Improvements in or relating to cord and drum drive systems

Country Status (1)

Country Link
GB (1) GB794440A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1254423B (en) * 1959-12-29 1967-11-16 Telefunken Patent Pulley drive for tuning means in radio equipment
US4757723A (en) * 1987-02-06 1988-07-19 Carson Donald G Springloaded end terminations for rotary cable drive apparatus
WO2023178441A1 (en) * 2022-03-25 2023-09-28 Haply Robotics inc. Capstan drive transmission self-tensioning apparatus and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1254423B (en) * 1959-12-29 1967-11-16 Telefunken Patent Pulley drive for tuning means in radio equipment
US4757723A (en) * 1987-02-06 1988-07-19 Carson Donald G Springloaded end terminations for rotary cable drive apparatus
WO2023178441A1 (en) * 2022-03-25 2023-09-28 Haply Robotics inc. Capstan drive transmission self-tensioning apparatus and method

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