Swing chute sampler

Details Swing chute sampler Swing chute sampler

1975-10-15

1977-08-16

Swisher, S. Clement

Measuring and testing

Measuring vessel

137612, G01N 104

Patent

active

040417620

ABSTRACT:
A swing chute sampler for diverting the flow of material from a mainstream comprising an external housing having upper and lower openings, a side-arm chute, a fixed internal chute and an internal swing chute pivoted near the upper edge of the opening in the main housing which communicates with the side-arm chute is described. The fixed internal chute is substantially axially aligned with the main housing and has an upper and lower opening, said lower opening preferably being below the upper edge of the side opening in the main housing. The swing chute is of the same general cross-sectional shape as the fixed internal chute and is pivoted about one of its upper edges at the junction of the upper edge of the side opening in the housing so that the swing chute can pivot from a pass-through position substantially axially aligned with the main housing wherein the upper opening of the swing chute overlaps the lower portion of the internal chute so that material falling through the internal chute passes through the swing chute and discharges from the lower opening of the main housing. The swing chute is rotatable about a lateral pivot point to a sampling position wherein the swing chute is substantially axially aligned with the side-arm chute and wherein the upper opening of the swing chute only slightly overlaps the lower portion of the internal chute and the lower opening of the swing chute is disposed within the side-arm chute so that material falling through the internal chute passes through the swing chute and discharges from the lower opening of the side arm chute without any material discharging from the lower opening of the main housing.

REFERENCES:
patent: 416402 (1889-12-01), Davis
patent: 427206 (1890-05-01), Suddick
patent: 876687 (1908-01-01), Brown
patent: 3006367 (1961-10-01), Thompson

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