Title:
カム装置及びレンズ鏡筒
Document Type and Number:
Japanese Patent JP6690155
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a cam device which can adjust a position of a cam pin, does not generate a pressing force to a guide groove and a cam groove when adjusted in position, and is high in quality.SOLUTION: The cam device includes: a guide cylinder 1 having a guide groove 11 which is extended to one direction; a cam cylinder 2 which has a cam groove 21 intersecting with the guide groove 11, and is relatively turned with respect to the guide cylinder 1; and a lens frame 3 having a cam pin 4 which is engaged with the guide groove 11 and the cam groove 21 in a crossing position of them. The cam pin 4 is relatively movable with respect to the lens frame 3 along an extension direction of the guide groove 11. The cam pin 4 is formed into a columnar shape, vertically orientated to the extension direction of the guide groove 11 at its column axis, fixed to the lens frame 3, and also fixed to the lens frame 3 with a fixing screw 5 which is screwed in a column axial direction. The cam pin 4 is movable with respect to the fixing screw 5.SELECTED DRAWING: Figure 2
Inventors:
Hiroaki Suzuki
Application Number:
JP2015173654A
Publication Date:
April 28, 2020
Filing Date:
September 03, 2015
Export Citation:
Assignee:
Ricoh Imaging Co., Ltd.
International Classes:
G02B7/02; G02B7/04
Domestic Patent References:
| JP2011133511A | ||||
| JP2113214A | ||||
| JP2012058459A | ||||
| JP2012013981A | ||||
| JP2011247375A | ||||
| JP2010113212A | ||||
| JP11325019A | ||||
| JP3112114U | ||||
| JP2015118344A | ||||
| JP2011027935A |
Foreign References:
| WO2012132780A1 | ||||
| US20120224843 |
Attorney, Agent or Firm:
Akio Suzuki