Patent ID: 8967688
Filing Date: 2015-03-03
Classification: E01H

Abstract:
1. A device for collecting material from a surface, the device comprising a housing for receiving collected material, a jaw arrangement which is configured to open to provide a mouth for receiving the material and to close to collect the material, and a conveyor mechanism comprising at least one belt or chain passed around a member mounted on a movable jaw of the jaw arrangement so that the belt or chain is moved along with the jaws as they open and close, which is operable when the jaw arrangement is closed to advance a liner, placed over the jaw arrangement to separate it from the material being collected, so that in use the jaw arrangement is operable to be closed around the material to be collected and then the conveyor mechanism is operable to advance the liner and the material collected in it through the mouth and into the housing, the collected material being retained in the liner without making contact with surfaces of the device.