Fluent material handling – with receiver or receiver coacting mea – With conveying means to supply successive receivers – With relatively movable receiver grip or centering means
Patent
1986-01-16
1987-09-08
Bell, Jr., Houston S.
Fluent material handling, with receiver or receiver coacting mea
With conveying means to supply successive receivers
With relatively movable receiver grip or centering means
141392, 285 16, B67C 326
Patent
active
046917489
ABSTRACT:
Bottle filling machines are known in which a centering bell is attached to a bushing for vertical movement up and down on a filler tube. Downward movement of the bushing and bell is limited by a shoulder on an enlarged tip portion of the filler tube. The area of contact between the bushing and shoulder in prior art arrangements is a narrow circular flat area perpendicular to the long axis of the filter tube. Repeated contact between the bushing and the shoulder on the tube tip causes wear on the bushing and on the shoulder. The present invention reduces the rate of wear of the contact areas by forming the shoulder so that it slopes downwardly and outwardly an an angle of about 20.degree. to 45.degree. with respect to a vertical axis. The region of the bushing which engages the shoulder is also sloped downwardly and outwardly at substantially the same angle. The sloping region of the bushing may be recessed above the lower end of the bushing so that the tip portion of the filler tube is at least partially retracted inside the bushing when the bell is at its lowest position, thus reducing the likelihood of a bottle contacting the tip of the filler tube during a filling operation.
REFERENCES:
patent: 3420281 (1969-01-01), Tidwell
patent: 4349055 (1982-09-01), DiChiara
Auto-Flush Systems Ltd.
Bell, Jr. Houston S.
Gitler Stewart L.
Hoffman Martin P.
Marston Vance
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