Improvements in or relating to locking devices for rotary bearin

Details Improvements in or relating to locking devices for rotary bearin Improvements in or relating to locking devices for rotary bearin

1978-05-19

1980-01-15

Butler, Douglas C.

Cutlery

308 18, 308191, F16C 1300

Patent

active

041835891

ABSTRACT:
A device, especially for the bearings of idler rollers of underground coal conveyors in collieries, to lock the two halves of a bearing against further rotation when the bearing overheats. Overheating causes a fusible plug, mounted on one half of the bearing, to melt and release a catch member which engages with an abutment on the other half. The plug may be designed so that when it has once fused so as to lock the two halves, it still prevents them from resuming mutual rotation even if it solidifies again.

REFERENCES:
patent: 2873006 (1959-02-01), Phillips
patent: 3452349 (1969-06-01), Wood
patent: 4015882 (1977-04-01), Stenert
patent: 4058353 (1977-11-01), Frommlet et al.

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