Title:
OPTICAL UNIT AND ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2018/207442
Kind Code:
A1
Abstract:
An optical unit 1 comprises: a movable lens-retention frame 23 that is arranged so as to move forward and backward relative to a fixed lens-retention frame 21; a biasing member 31 that biases the movable lens-retention frame 23 toward a base end; a drive mechanism 30 that is arranged on the fixed lens-retention frame 21 and drives the movable lens-retention frame 23 toward a front end against the biasing force of the biasing member 31; and an adjustment member 26 that is brought into linear or planar contact with two edge sides C or a tapered surface 29 parallel to a photographing optical axis O that is formed in the fixed lens-retention frame 21 and is thus fixed in a state where the position is uniquely determined, the adjustment member 26 coming in contact with the movable lens-retention frame 23 to adjust the forward and backward position of the movable lens-retention frame 23.
Inventors:
KUCHIMARU TORU (JP)
Application Number:
PCT/JP2018/007866
Publication Date:
November 15, 2018
Filing Date:
March 01, 2018
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
G02B7/02; A61B1/00; A61B1/05; G02B7/04; G02B23/24; G03B15/00
Domestic Patent References:
| WO2016147468A1 | 2016-09-22 |
Foreign References:
| JP2007271889A | 2007-10-18 |
Attorney, Agent or Firm:
ITOH Susumu (JP)
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