Cushioned objective lens

Details Cushioned objective lens Cushioned objective lens

1977-02-22

1978-08-29

Evans, F. L.

354195, 354286, G02B 702

Patent

active

041100085

ABSTRACT:
A buffer or cushion made of a plastic material is interposed between an external device exposed to the exterior of a lens barrel and an internal mechanism within the barrel of a lens to absorb any impact applied to the external device and transmitted toward the internal mechanism and the lens unit. The external device may include an ornament ring and a barrel head sleeve and the internal mechanism may include sleeves for shifting the lens unit and members for holding the lens unit.

REFERENCES:
patent: 3254585 (1966-06-01), Gorey
patent: 3329075 (1967-07-01), Padelt
patent: 3594068 (1971-07-01), Kirstein
patent: 3944340 (1976-03-01), Hashimoto

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