Filter changer

Details Filter changer Filter changer

1993-08-30

1994-12-13

Church, Craig E.

X-ray or gamma ray systems or devices

Beam control

Filter

378156, G21K 300

Patent

active

053735463

ABSTRACT:
A filter changer for a radiation transmitter comprises a filter which is adjusted between a first position out of the beam path of the radiation transmitter to a second position in the beam path. The changer includes guides for guiding the filter for movement along a linear path, an arm having one end engaging the filter and the other end engaging an actuating arrangement so that when the arm is rotated against a spring, the filter is moved from the first to the second position and when the arm is released from the actuating arrangement, the spring biases the arm and filter back into the first position.

REFERENCES:
patent: 3248547 (1966-04-01), Van De Geijn
patent: 4627089 (1986-12-01), Menor et al.
patent: 4672652 (1987-06-01), Huttenrauch et al.
patent: 4914685 (1990-04-01), Yanome

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