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Patent No. 5205055

Pneumatic Shoe Lacing Apparatus

This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.

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Class 209/287 - Reciprocating and rotating


Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Cylindrical or drum sifters mounted with their axes in horizontal
No. of patents: 7
Last issue date: 11/06/2007


NumberTitleIssue Date
7290665Automated high-throughput seed sample handling system and method
A method and apparatus for processing seed or seed samples includes an autonomous sorter which sorts seed by pre-programmed criteria. Optional features can include a counter to autonomously ensure the correct number of seeds to a seed package, a cleaning device, a s...
11/06/2007
7111739Wet fine particle sizing and separating apparatus
A particle sizing and separating apparatus is disclosed. The apparatus includes a base and a frame that is movably connected to the base. A motor assembly is provided to vibrate the frame and at least two screens are connected to the frame. Means also are provided f...
09/26/2006
5921400Apparatus for sieving a particulate material
An apparatus for sieving a particulate material into selected size fractions. This apparatus includes a screen for separating the particulate material into an undersize fraction and an oversize fraction, and having an inlet end and an outlet end. The appa...
07/13/1999
4896835Screening machine
A screening machine has a rotating screening drum for screening dirt or other material to a desired size through the screen openings, and is made so that it reduces clogging of the screen, even when rocks, dirt clods, and moist dirt is being screened. The...
01/30/1990
4797204Automatic particle-size analyzer with divided drum
An apparatus for automatic screen analysis of a granular material in which the material is screened from a polygonal drum which is divided crosswise into at least two chambers by a transverse partition. A first chamber has progressively coarser screens on...
01/10/1989
4636304Drum screening machine
The invention relates to a screening machine with a screening drum which rotates about its axis and has a screen made of elastic material. The characterizing feature of the invention is that the screening drum has at least one screening zone which has the...
01/13/1987
4464887Method of cleaning threshed grain in a combine
A method for cleaning threshed grain in a combine harvester is disclosed wherein the threshed grain is conveyed into a cleaning cylinder that is rotatably driven at a sufficient speed to impart centrifugal forces on the threshed grain to urge the grain th...
08/14/1984
 
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