JPS55147620A - Bayonet device of lens-barrel - Google Patents

Bayonet device of lens-barrel

Info

Publication number
JPS55147620A
JPS55147620A JP5654279A JP5654279A JPS55147620A JP S55147620 A JPS55147620 A JP S55147620A JP 5654279 A JP5654279 A JP 5654279A JP 5654279 A JP5654279 A JP 5654279A JP S55147620 A JPS55147620 A JP S55147620A
Authority
JP
Japan
Prior art keywords
bayonet
lens
members
jaws
camera side
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
JP5654279A
Other languages
Japanese (ja)
Inventor
Toru Kawai
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP5654279A priority Critical patent/JPS55147620A/en
Publication of JPS55147620A publication Critical patent/JPS55147620A/en
Pending legal-status Critical Current

Links

Landscapes

  • Structure And Mechanism Of Cameras (AREA)

Abstract

PURPOSE: To achieve the higher friction resistance of the portions to become thin and the portions in contact with other members and less working processes by applying forging to the members of the bayonet members coupling with the coupling parts on the camera side without depending upon machining.
CONSTITUTION: A bayonet member 6 fitted to a holding ring is provided to the lens-barrel and undergoes fastening to the bayonet jaws on the camera side. A spring member 16 is fixed to the member 6 to absorb the fitting looseness of the time when the lens is mounted to the camera. This member 6 is constituted of the respective three bayonet jaw parts 6A and other parts 6B by leaving a spacing of 120° on the circumference and the jaws 6A on the lens side are engaged with the jaws on the camera side. Forging is applied to these jaw parts 6A and 6B. As a result of this, they withstand the abrasion owing to the slide contact turning of the coupling members on the camera side. Even more, working processes may be reduced because they do not depend upon machining and hard materials such as stainless steel may be used as well.
COPYRIGHT: (C)1980,JPO&Japio
JP5654279A 1979-05-08 1979-05-08 Bayonet device of lens-barrel Pending JPS55147620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5654279A JPS55147620A (en) 1979-05-08 1979-05-08 Bayonet device of lens-barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5654279A JPS55147620A (en) 1979-05-08 1979-05-08 Bayonet device of lens-barrel

Publications (1)

Publication Number Publication Date
JPS55147620A true JPS55147620A (en) 1980-11-17

Family

ID=13029965

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5654279A Pending JPS55147620A (en) 1979-05-08 1979-05-08 Bayonet device of lens-barrel

Country Status (1)

Country Link
JP (1) JPS55147620A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5771386A (en) * 1980-10-23 1982-05-04 Japan Tobacco & Salt Public Apparatus for dividing and supplying tobacco stock material compressively packed in barrel
JPS5779830U (en) * 1980-10-30 1982-05-17
JP2019219665A (en) * 2015-10-30 2019-12-26 キヤノン株式会社 Camera module and electronic equipment
US10571780B2 (en) 2016-09-16 2020-02-25 Fujifilm Corporation Lens unit, camera system, and lens mount
US10924646B2 (en) 2016-09-27 2021-02-16 Fujifilm Corporation Camera system, lens unit, and camera body

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5771386A (en) * 1980-10-23 1982-05-04 Japan Tobacco & Salt Public Apparatus for dividing and supplying tobacco stock material compressively packed in barrel
JPS5779830U (en) * 1980-10-30 1982-05-17
JP2019219665A (en) * 2015-10-30 2019-12-26 キヤノン株式会社 Camera module and electronic equipment
US10859892B2 (en) 2015-10-30 2020-12-08 Canon Kabushiki Kaisha Electronic device
US11092878B2 (en) 2015-10-30 2021-08-17 Canon Kabushiki Kaisha Electronic device
US10571780B2 (en) 2016-09-16 2020-02-25 Fujifilm Corporation Lens unit, camera system, and lens mount
US10924646B2 (en) 2016-09-27 2021-02-16 Fujifilm Corporation Camera system, lens unit, and camera body

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