Glass manufacturing – Processes – With shaping of particulate material and subsequent fusing...
Patent
1981-06-22
1982-05-25
Lindsay, Jr., Robert L.
Glass manufacturing
Processes
With shaping of particulate material and subsequent fusing...
65 101, C03D 3702
Patent
active
043314635
ABSTRACT:
A self-centering device supports a generally cylindrically shaped workpiece. A pair of parallel, substantially horizontal shares are mounted within a mounting frame and traverse an opening therewithin. A pair of rolling bearings are adapted for reciprocating movement axially along the two shafts, respectively, with a first connecting rod coupled to the two bearings, so that the resulting rod and bearings can be reciprocated in the direction parallel to the axes of the shafts. In similar fashion, two other rolling bearings are adapted for reciprocating movement axially along the shafts, respectively, with a second connecting rod coupled to the latter bearings so that the resulting rod and latter bearing combinations can be reciprocated in the direction parallel to the axes of the shafts. A first connecting rod bearing is adapted for reciprocating movement axially along the first connecting rod. A second connecting rod bearing is adapted for reciprocating movement axially along the second connecting rod. A mounting carriage, coupled to the two connecting rod bearings, house a spherical-seated, self-aligning bearing which can support the workpiece so the axis of the workpiece can be moved at an appreciable angle in any direction, thus supporting the workpiece against the resultant of a force of tension along a generally downward direction and of a force due to gravity. Means can be provided for providing movement to the frame so that the preform can be lowered into a furnace. The preform is self-centering with respect to the device without the necessity of operator intervention and without the necessity of monitoring and feedback of electrical signals to the device.
REFERENCES:
patent: 3865564 (1975-02-01), Jaeger et al.
patent: 3990873 (1976-11-01), Knetzlstorfer et al.
patent: 4121920 (1978-10-01), Balkwill
patent: 4135902 (1979-01-01), Oehrle
patent: 4154592 (1979-05-01), Bailey
patent: 4249925 (1981-02-01), Kawashima et al.
Briere Alfred D.
Klein Richard M.
Fisher Fred
GTE Laboratories Incorporated
Lindsay, Jr. Robert L.
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