Optical: systems and elements – Barrel end eye guard
Patent
1999-01-21
2000-11-07
Nguyen, Thong Q.
Optical: systems and elements
Barrel end eye guard
359407, 359413, 359480, G02B 2316, G02B 2300
Patent
active
061426369
ABSTRACT:
A telescopic lens tube protector to be fitted on telescopically connected lens tubes of a monocular or binocular telescope for protecting same from shocks of collisional impacts or the like. The lens tube protector is arranged to enshroud the entire outer peripheries of the telescopic lens tubes and constituted by a cover case which partially contains a cushioning bag structure or structures or which as a whole is in the form of a cushioning bag structure containing a cushioning material in a sealed state.
REFERENCES:
patent: 3033079 (1962-05-01), Haupt et al.
patent: 3368860 (1968-02-01), Faust et al.
patent: 4984879 (1991-01-01), Plunkett
Ishikawa Kiyotaka
Nemoto Yasuyuki
Fuji Photo Optical Co., Ltd.
Nguyen Thong Q.
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