Pivot assembly for connecting a cover member to a housing of a s

Details Pivot assembly for connecting a cover member to a housing of a s Pivot assembly for connecting a cover member to a housing of a s

1986-10-08

1988-01-05

Rutledge, L. Dewayne

Metallurgical apparatus

Miscellaneous

222600, 266236, B22D 4108

Patent

active

047171278

ABSTRACT:
A pivot assembly for pivoting a cover member to a housing of a sliding closure unit includes a pivot shaft supported by the housing and connected to the cover member with play therebetween, such that upon pressing the cover member toward refractory plates of the sliding closure unit, respective sliding surfaces of the refractory plates are free of binding and are maintained substantially in uniform surface-to-surface contact. An auxiliary pivot is formed on the cover member to define a pivot axis parallel to the axis of the pivot shaft. Control members connect the pivot shaft to the auxiliary pivot to maintain a constant spacing between the pivot axis and the axis of the pivot shaft in directions parallel to the direction of movement of a movable refractory plate of the sliding closure unit. As a result, displacement of the cover member relative to the housing due to friction between the sliding surfaces of the refractory plates is prevented.

REFERENCES:
patent: 3856189 (1974-12-01), Meier
patent: 4116372 (1978-09-01), Horiguchi et al.
patent: 4508241 (1985-04-01), Bauer et al.

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