Interlock latch assembly for centrifugals

Details Interlock latch assembly for centrifugals Interlock latch assembly for centrifugals

1975-11-26

1977-03-15

McCall, James T.

Closure fasteners

Bolts

Sliding and rotary

192136, 29234116, 292DIG69, B04B 706

Patent

active

040120635

ABSTRACT:
An apparatus having a rotatable member is provided with a locking bolt slidably mounted on an access cover pivotally mounted on a housing supporting the rotatable member. The locking bolt is axially displaceable toward a latching mechanism mounted on the housing. The latching mechanism has a latch for securing the bolt in a locked position and a limit switch engageable by a key on the bolt for energizing and de-energizing the power to the rotatable member. An air or fluid operated solenoid means is provided to release the latch but is not actuable when the rotatable member is rotating. A rotary speed sensor is provided to sense the rotary speed of the rotatable member so as to enable the air solenoid to be released when the speed of he rotatable member is zero.

REFERENCES:
patent: 2018433 (1935-10-01), Aitken
patent: 3092576 (1963-06-01), Daubman
patent: 3133168 (1964-05-01), Jacobson
patent: 3486782 (1969-12-01), Zanussi
patent: 3621963 (1971-11-01), Smith
patent: 3734290 (1973-05-01), Nelson
patent: 3915273 (1975-10-01), Loschengruber

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