US 12,292,620 B2
Optical device
Yuki Tanaka, Kanagawa (JP); and Ken Motohashi, Kanagawa (JP)
Assigned to MITUTOYO CORPORATION, Kawasaki (JP)
Filed by MITUTOYO CORPORATION, Kanagawa (JP)
Filed on Aug. 26, 2022, as Appl. No. 17/896,428.
Claims priority of application No. 2021-140439 (JP), filed on Aug. 30, 2021.
Prior Publication US 2023/0067203 A1, Mar. 2, 2023
Int. Cl. G02B 7/182 (2021.01); G02B 17/08 (2006.01); G01B 9/0209 (2022.01)
CPC G02B 7/1825 (2013.01) [G02B 17/0876 (2013.01); G01B 9/0209 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An optical device provided with an optical parts position adjusting and fixing device for adjusting and fixing the position of the optical parts moving in an optical axis direction, wherein the position adjusting and fixing device is provided with a long slotted hole extended in the optical axis direction formed on a side surface of the optical parts; a fixing means which is mounted on an object to be fixed of the optical parts and which is movable along the long slotted hole; a non-penetrating screw hole formed in the fixing means and which is divided by a slit; and a screw which is screwed into the screw hole and spreads the slit when screwed into the screw hole so as to press the outer surface of the fixing means against the inner surface of long slotted hole.