Patents in subclass Excavating/Augers On Separate Shafts
Parent class: Excavating
| Number | Patent title | Issue Date |
|---|---|---|
| 06922921 | Snow removal machine An auger device of a snow removal machine in this invention has left and right augers and left and right driving tines mounted on left and right auger shafts, respectively. Each auger has an outer auger blade, an intermediate auger blade... |
08/02/2005 |
| 06860041 | Snow removal machine A snow removal machine has first and second augers mounted on respective auger shafts. Each of the first and second augers has an outer helical auger blade, an intermediate helical auger blade and an inner helical auger blade. The outer... |
03/01/2005 |
| 06643958 | Snow throwing shovel device A snow throwing shovel device for easily removing snow from narrow sidewalks and from steps where a conventional snow blower cannot be used. The snow throwing shovel device includes a scoop assembly including a housing having top, bottom,... |
11/11/2003 |
| 5953837 | Snow removal and disposal vehicle A cylindrical tank is situated on a bed of a vehicle. A tank opening is provided at a top of the tank. An agitator is provided within the tank. A heating unit such as an oil fired boiler, comprises a burner unit situated on the bed, and... |
09/21/1999 |
| 5398432 | Dynamically balanced screw with concealed loading weights An endless spiralling screw for a snowblower comprising a rotatableelongated shaft, to be power driven; a first, elongated, rigid sheet,integrally mounted to the shaft at a radially inward edge of the sheet andspiralling along the lengthwise axis of... |
03/21/1995 |
| 5353881 | Counter-rotating twin shaft system for gardening machines A gardening utility machine having a counter-rotation twin shaft system canperform multiple types of work required for gardening (tilling, soilremoval, weeding, raking and shredding of leaves), snow/ice removal andfor power de-thatching and mowing... |
10/11/1994 |
| 5224552 | Counter-rotating twin shaft system for gardening machines A gardening utility machine having a counter-rotation twin shaft system canperform multiple types of work required for gardening (tilting, soilremoval, weeding, racking and shredding of leaves), snow/ice removal andfor power de-thatching and mowing... |
07/06/1993 |
| 5190140 | Material handling apparatus An impeller assembly having a housing supporting a rotatable impeller. Thehousing has a bottom entrance opening and a top exit opening separated bya curved back wall. A liner of low friction and abrasion resistant plasticmaterial located adjacent a... |
03/02/1993 |