Telescopic auger

B - Operations – Transporting – 65 – G

Patent

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Details

201/28

B65G 65/46 (2006.01) B65G 33/16 (2006.01) B65G 33/18 (2006.01) B65G 33/24 (2006.01) B65G 33/32 (2006.01)

Patent

CA 2036064

ABSTRACT OF THE DISCLOSURE TELESCOPIC AUGER A telescopic auger includes a first drive tube and a second drive member coaxial with the drive tube and slidable inside the drive tube in telescopic manner. A flight is attached to the drive tube in helical arrangement. A second flight section is-attached to the drive member at an outer end only of the drive member with the second flight being threaded into the end of the first flight so that rotation of one relative to the other causes the length of the threaded engagement to increase or decrease to allow telescopic adjust- ment of the length of the total auger flight. This arrange- ment can be used in a bin sweep which allows the sweep to be adjusted in length to accommodate bins of different diameter. The sweep section is driven across the ground by a drive track at an outer end of the auger section. The auger section is coupled to a main auger section which extends from the centre Or the bin outwardly to the exterior of the bin by a flexible or rotary joint which allows the sweep section to rotate through 360° during operation. The rotary joint is provided by a flexible auger core to which is attached a plurality of separate collars each carrying a helical flight section. The total drive for the system can therefore be provided by a motor at an outer end of the main auger section.

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