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US 3,942,840 AGranted
Down-loading device
AssigneeClark Technical Incorporated
InventorAllen Foster
Life of this patent
Estimating the term…
Abstract
There is disclosed a device for loading down which includes a source of air-fluffed down and a blower for delivering down entrained in air through at least one down-loading station. The device includes connections to draw down from its source to a calibrated filter and to reverse the flow through the filter when a predetermined amount of down has been delivered, whereby the down is removed from the filter and delivered, entrained in air, to a loading station. There is also disclosed a two-vessel device for providing a small amount of air-fluffed down from a large, compact capacity.
Claims6
A down loader comprising
- A. a source of air-fluffed down,
- B. a blower having a suction side and a discharge side,
- C. a filter to hold down on it and including a calibration means to measure a predetermined amount of down,
- D. means connected to the suction side of said blower for drawing down from said source and into said filter in a forward direction,
- E. means connected to the suction side of said blower to draw air through said filter in the reverse direction from said forward direction, thereby to entrain said predetermined amount of down in air,
- F. means connected to the discharge side of said blower to direct air having a predetermined amount of entrained down to a down-loading station.
3 more elements
Dependencies are inferred from the claim text.