Movable or removable closures – Arcuate closure rotates across arcuate opening
Patent
1978-06-15
1980-11-25
Sheridan, Robert G.
Movable or removable closures
Arcuate closure rotates across arcuate opening
250517, E06B 334
Patent
active
042350450
ABSTRACT:
A pass-through structure for enabling objects to be transferred through a dividing wall from one area to another is disclosed wherein an outer drum is provided with opposed openings, one on each side of the dividing wall, and an inner drum provided with one opening is rotatably mounted within the outer drum so that, when the opening in the inner drum is aligned with an opening in the outer drum, objects may be placed therein and the inner drum rotated so that the opening therein comes into alignment with the opening in the outer drum whereby the objects therein may be removed. One or both of the drums may be lead-lined when X-ray film cassettes are the objects being transferred. Latch means are provided to lock the inner drum in at least one of its rotated positions. Left- and right-hand compartments are also provided within the drums so that, for example, exposed X-ray film cassettes may be placed in the right-hand compartment so that a person on the opposite side of the dividing wall may remove such cassettes and, from his viewpoint, they will be removed from the left-hand compartment.
REFERENCES:
patent: 2577401 (1951-12-01), Calcutt et al.
patent: 3407964 (1968-10-01), Wysocki et al.
patent: 3566113 (1971-02-01), Balanca et al.
patent: 3893259 (1975-07-01), Nineberg
Consolidated International Corp.
Sheridan Robert G.
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