Power sweeper

• US 3,186,021 A
• Filed: 02/20/1959
• Issued: 06/01/1965
• Est. Priority Date: 02/20/1959
• Status: Expired due to Term

• Current Assignee: Keith N. Krier, Ralph C. Peabody
• Original Assignee: Keith N. Krier, Ralph C. Peabody
• Inventors: Krier, Keith N., Peabody, Ralph C.
• Application Number:
  US03/794,762
• Time in Patent Office: 2,293 Days
• US Class Current: 15/340.4
• CPC Class Codes: E01H 1/0854 Apparatus in which the mechanically dislodged dirt is partially sucked-off, e.g. dislodging- sweeping apparatus with dirt collector in brush housing or dirt container mechanical dislodging machines with independent suction nozzles E01H1/0827; combined with blowing and suction E01H1/0872

Claims

1. A POWER SWEEPER COMPRISING A MOBILE FRAME HAVING A LONGITUDINAL AXIS FOR NORMAL STRAIGHT FORWARD MOTION, FRONT AND REAR WHEEL MEANS ON THE FRAME FOR PROPELLING AND STEERING THE FRAME, THE FRONT WHEEL MEANS BEING LOCATED ON THE LONGITUDINAL AXIS OF THE SWEEPER, POWER MEANS CONNECTED THROUGH A TRANSMISSION TO AT LEAST SOME OF SAID WHEEL MEANS FOR OPERATING THE SAME, A MAIN ENCLOSURE ON THE FRAME AND A VACUUM BLOWER CONNECTED TO THE POWER MEANS SO AS TO BE DRIVEN THEREBY AND CONNECTED TO THE MAIN ENCLOSURE FOR PARTIALLY EVACUATING THE MAIN ENCLOSURE, SAID MAIN ENCLOSURE HAVING A MAIN OPENING IN THE BOTTOM THEREOF AND LOCATED BETWEEN THE WHEEL MEANS, SAID OPENING EXTENDING TRANSVERSELY ACROSS THE FRAME, A SUBSTANTIALLY HORIZONTAL AXIS CYLINDRICAL BRUSH AND DRIVE MEANS CONNECTING IT TO THE POWER MENS, SAID BRUSH AND DRIVE MOUNTED ON THE FRAME FOR BRUSHING ENGAGEMENT THROUGH SAID OPENING AGAINST THE SURFACE ON WHICH THE SWEEPER MOVES, SAID SWEEPER ALSO HAVING THEREON AT LEAST ONE GATHERING BRUSH CONNECTED TO THE POWER MEANS SO AS TO BE ROTATED THEREBY AND MOUNTED FOR ROTATION ABOUT A GENERALLY UPRIGHT AXIS AT A LOCATION ALONG A SIDE OF THE MACHINE AND IN A POSITION IN ADVANCE OF THE CYLINDRICAL BRUSH WHEN THE SWEEPER MOVES FORWARD, AND SEPARATE OPEN BOTTOMED ENCLOSURE AROUND SAID GATHERING BRUSH, SAID SEPARATE ENCLOSURE BEING CLOSED EXCEPT AT THE BOTTOM AND CONNECTED TO THE MAIN ENCLOSURE SO AS TO BE PARTIALLY EVACUATED WHEN THE MAIN ENCLOSURE IS PARTIALLY EVACUATED, SAID GATHERING BRUSH AND FRONT WHEEL MEANS BOTH BEING LOCATED IN SAID SEPARATE ENCLOSURE.