Pivot arrangement for transferring pressurized air into a pivot

Details Pivot arrangement for transferring pressurized air into a pivot Pivot arrangement for transferring pressurized air into a pivot

1975-03-24

1976-06-22

Gilliam, Paul R.

Movable or removable closures

With means mounting closure for swinging

Pivots on opposed portal members

16168, 49 70, 49167, 49394, E05D 708

Patent

active

039642070

ABSTRACT:
A pivot arrangement at the upper end of a pivot door includes a bushing on the door and a hollow pivot pin projected from the door frame header into the bushing. Fluid conduits are connected with the pin and the bushing so that the conduits are in communication through the pivot arrangement. Pressurized air is transmitted through the conduits and pivot arrangement to a pneumatic appliance on the door.

REFERENCES:
patent: 2093201 (1937-09-01), Love
patent: 2294792 (1942-09-01), Miller
patent: 2571379 (1951-10-01), Parsons
patent: 3086257 (1963-04-01), Haguet
patent: 3156019 (1964-11-01), Dawley

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