Lens barrel

  • US 20020005993A1
  • Filed: 07/10/2001
  • Published: 01/17/2002
  • Est. Priority Date: 07/12/2000
  • Status: Active Grant
First Claim
Patent Images

1. A lens barrel comprising:

  • a first frame having a cam-follower with a conical surface part, and a circular ring part having an edge formed in the outer circumference thereof; and

    a second frame having the first cam groove engaged and conjugated with sliding only with the conical surface of the cam-follower and the second cam groove engaged and conjugated with sliding simultaneously with both of the conical surface part and the circular ring part of said cam-follower.

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