Telescopic sight

Details Telescopic sight Telescopic sight

2006-08-31

2009-11-03

Stultz, Jessica T (Department: 2873)

Optical: systems and elements

Lens

With support

C359S819000, C359S822000, C359S823000

Reexamination Certificate

active

07612958

ABSTRACT:
A telescopic sight includes a zoom mechanism with which an angle of adjustment of sighting can be enlarged, such that sighting precision of the telescopic sight can be stably maintained, and with which zooming can be performed with a light touch. The telescopic sight includes a zoom ring, an annular gear, a circumferential gear, an intermediate gear and a transmission mechanism. The zoom ring is turnably provided at an outer periphery of a lens barrel of a telescopic sight. The annular gear is provided at an inner periphery face of the zoom ring. The circumferential gear is rotatably provided, concentrically with the annular gear, at an inner periphery of the lens barrel. The intermediate gear is interposed between the annular gear and the circumferential gear and transmit rotation of the annular gear to the circumferential gear.

REFERENCES:
patent: 4789231 (1988-12-01), Shimizu
patent: 5146254 (1992-09-01), Tsurukawa et al.
patent: 5561564 (1996-10-01), Nakamura et al.
patent: 5764410 (1998-06-01), Jibiki
patent: 6598332 (2003-07-01), Jibiki
patent: 2001/0008579 (2001-07-01), Kudoh
patent: 2005/0128603 (2005-06-01), Tsuji
patent: 2006/0017836 (2006-01-01), Nuno et al.
patent: 2006/0193625 (2006-08-01), Nomura
patent: 2007/0003273 (2007-01-01), Yasuda
patent: 7281101 (1995-10-01), None

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