Title:
プリズム装着用アダプタ
Document Type and Number:
Japanese Patent JP7118576
Kind Code:
B2
Abstract:
To provide an adaptor for attaching a prism that increase mutual position precision between the prism and a camera.SOLUTION: In an adaptor 11 for attaching a prism that is attached to a tip of a lens holder 12, the adaptor for attaching a prism includes an auxiliary ring 13 and a prism holder 14, the auxiliary ring 13 includes an external thread threadably engaged with an internal thread 12a standardly formed on a tip inner edge surface of the lens holder 14, and a tip part 15 projecting from the lens holder 14, the prism holder 14 is externally fitted to the tip part 15, a prism 8 is stuck to a tip end face of the prism holder 14, a V groove 17 is formed on an outer peripheral surface of the tip part 15, a set screw 21 that penetrates the prism holder 14 radially is pressed against the V groove 17, an axial center of the set screw 21 deviates to a tip side from the center of the V groove 17, and the prism holder 14 is fixed to the auxiliary ring 13 and the prism holder 14 is positioned by clamping of the set screw 21.SELECTED DRAWING: Figure 3
Inventors:
Distribution Yasuhito Shima
Nobuyuki Nishida
Nobuyuki Nishida
Application Number:
JP2021114363A
Publication Date:
August 16, 2022
Filing Date:
July 09, 2021
Export Citation:
Assignee:
Topcon Co., Ltd.
International Classes:
G01C15/00
Domestic Patent References:
| JP21738U | ||||
| JP9218442A | ||||
| JP2007279149A | ||||
| JP364741A | ||||
| JP201397381A |
Attorney, Agent or Firm:
Miyoshi Shoji
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