Optical: systems and elements – Lens – With support
Reexamination Certificate
2006-01-31
2006-01-31
Thompson, Timothy (Department: 2873)
Optical: systems and elements
Lens
With support
C359S811000, C359S819000, C359S827000
Reexamination Certificate
active
06992845
ABSTRACT:
An interchangeable objective for integrated rangefinder cameras is described, having a mechanically mounted objective head (1) and a spiral (14) with a bayonet fitting (15), the spiral (14) containing a spiral mechanism (16) for driving an objective head carrier (17) that is guided axially in a straight line and formed as a cylindrical ring, and a focusing ring (18) which is connected to the spiral mechanism (16) and can be actuated from outside, and is characterized in that, for the purpose of inserting a rear mount part (5) of the objective head (1) into the objective head carrier (17), the focusing ring (18) can be released from the spiral mechanism (16) by removing radially oriented connecting means (19) and can be pushed onto a front mount part (3) of the objective head (1), a threaded ring (7) is rotatably mounted on a central mount part (4) of the objective head (1), and the threaded ring (7) can be screwed (26) onto the objective head carrier (17) in order to connect the objective head (1) to the latter.
REFERENCES:
patent: 5359992 (1994-11-01), Hori et al.
patent: 55-000596 (1980-01-01), None
patent: 8-43705 (1996-02-01), None
Foley & Lardner LLP
Leica Camera AG
Thompson Timothy
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