Title:
LENS BARREL
Document Type and Number:
Japanese Patent JPH04174806
Kind Code:
A
Abstract:
PURPOSE:To eliminate the fixing process with machine screws in assembly process by receiving the drive units of a focusing optical system and variable power optical system at a receiving part and by fixing a drive unit to adjust the quantity of light to a lens-barrel. CONSTITUTION:A zoom drive unit 6 and focus drive unit 8 are held between receiving parts 5a and 5c and an ARIS meter unit 7 with the IRIS meter unit fixed to a relay holder 5 and are fixed to a lens-barrel body actually. Therefore, the units 6 and 8 as well as the unit 7 are fixed without any machine screw, enabling the elimination of the fixing by the machine screws in an assembly process.
Inventors:
INABA HIROYOSHI
Application Number:
JP30339390A
Publication Date:
June 23, 1992
Filing Date:
November 07, 1990
Export Citation:
Assignee:
CANON KK
International Classes:
G02B7/04; (IPC1-7): G02B7/04
Attorney, Agent or Firm:
Giichi Marushima (1 person outside)