JPS5649446A - Reduction gear - Google Patents

Reduction gear

Info

Publication number
JPS5649446A
JPS5649446A JP13575680A JP13575680A JPS5649446A JP S5649446 A JPS5649446 A JP S5649446A JP 13575680 A JP13575680 A JP 13575680A JP 13575680 A JP13575680 A JP 13575680A JP S5649446 A JPS5649446 A JP S5649446A
Authority
JP
Japan
Prior art keywords
knob
operating shaft
rotated
tuning
shaft
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.)
Pending
Application number
JP13575680A
Other languages
Japanese (ja)
Inventor
Sukeyoshi Ishikawa
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP13575680A priority Critical patent/JPS5649446A/en
Publication of JPS5649446A publication Critical patent/JPS5649446A/en
Pending legal-status Critical Current

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  • Control Of Transmission Device (AREA)

Abstract

PURPOSE: To enable fine tuning and facilitate quick tuning, by providing a planet gear mechanism, which is put in or out of operation by weights to which centrifugal force acts, for an operating shaft which is rotated with a knob.
CONSTITUTION: In a tuning mechanism, a variable capacitor or the like is operated through a transmission shaft 25 and a transmission system not shown in the drawing, by rotating a knob 7. At the time of fine tuning, a sun gear 10 is rotated through an operating shaft 8 as the knob 7 is rotated at a relatively low speed. The rotation of the operating shaft 8 is transmitted with speed reduction to the transmission shaft 25 by a planet gear mechanism 9. When received frequency is to be changed far, the knob 7 is relatively quickly rotated to rapidly revolve the operating shaft 8. At that time, weights 17,... are displaced so that stop teeth 23, 24 are engaged with each other as soon as a shifting drum 13 is separated from the partition wall 16 of a frame 6. As a result, the revolution of the operating shaft 8 is transmitted with no change to the transmission shaft 25 through a fixed plate 14, the drum 13 and an internal gear 12.
COPYRIGHT: (C)1981,JPO&Japio
JP13575680A 1980-10-01 1980-10-01 Reduction gear Pending JPS5649446A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13575680A JPS5649446A (en) 1980-10-01 1980-10-01 Reduction gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13575680A JPS5649446A (en) 1980-10-01 1980-10-01 Reduction gear

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP13575780A Division JPS5799016A (en) 1980-10-01 1980-10-01 Dial tuner

Publications (1)

Publication Number Publication Date
JPS5649446A true JPS5649446A (en) 1981-05-06

Family

ID=15159118

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13575680A Pending JPS5649446A (en) 1980-10-01 1980-10-01 Reduction gear

Country Status (1)

Country Link
JP (1) JPS5649446A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5011464A (en) * 1990-03-23 1991-04-30 Sundstrand Corporation Two-speed automatic transmission
US5151067A (en) * 1989-10-25 1992-09-29 Huong Chin Fu Vehicle automatic transmission system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5151067A (en) * 1989-10-25 1992-09-29 Huong Chin Fu Vehicle automatic transmission system
US5011464A (en) * 1990-03-23 1991-04-30 Sundstrand Corporation Two-speed automatic transmission

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