Snow directing and discharging assembly

Patent metadata

Field	Value
Publication number	US-9663909-B2
Application number	US-201313944639-A
Country	US
Kind code	B2
Filing date	Jul 17, 2013
Priority date	Sep 7, 2012
Publication date	May 30, 2017
Grant date	May 30, 2017

Abstract

A snow thrower comprises an auger housing and an auger flight assembly. The auger flight assembly comprises a helical auger flight blade and a helical pliable flight extending radially beyond the helical auger flight blade.

First claim

What is claimed is:

1. A snow thrower comprising:
an auger housing; and
an auger flight assembly comprising:
a helical auger flight blade;
a helical pliable flight extending radially beyond the helical auger flight blade, wherein the helical pliable flight is removably attached to and carried by the helical auger flight blade and wherein the helical auger flight blade comprises outer teeth alongside the helical pliable flight beyond a base of the helical pliable flight, wherein the helical pliable flight is adjustably mounted on the helical auger flight blade at one of a plurality of positions at which the helical pliable flight radially extends beyond the helical auger flight blade by a plurality of different distances, wherein each of the outer teeth overlaps pliable portions of the helical pliable flight, the outer teeth having a side face that extends alongside and that faces pliable portions of the helical pliable flight, the side face terminating at an outer toothed edge, and wherein the pliable portions extend across and beyond the outer toothed edge.

2. The snow thrower of claim 1 , wherein the auger flight assembly further comprises:
a hub;
a second helical auger flight blade;
a second pliable flight extending radially beyond the helical auger flight blade; and
first and second supports, each of the first and second supports supporting an end of the auger flight blade, an end of the second auger flight blade, an end of the helical pliable flight and an end of the second helical pliable flight.

3. The snow thrower of claim 1 further comprising a slot in one of the helical pliable flight and the helical auger flight blade along which the helical pliable flight is mounted to the helical auger flight blade at said one of the plurality of positions.

4. The snow thrower of claim 1 , wherein the helical pliable flight comprises:
a helical base;
a first row of resiliently flexible pliable members extending from the base; and
a second row of resiliently flexible pliable members extending from the base along side the first row of resiliently flexible pliable members.

5. The snow thrower of claim 4 , wherein the first row of resiliently flexible pliable members and the second row of resiliently flexible pliable members outwardly diverge from one another to have a V-shape.

6. The snow thrower of claim 1 , wherein the helical pliable flight comprises a brush.

7. The snow thrower of claim 6 , wherein the brush comprises:
a helical base;
a first row of bristles extending from the base; and
a second row of bristles extending from the base along side the first row of bristles.

8. The snow thrower of claim 7 , wherein the first row of bristles and the second row of bristles outwardly diverge from one another to have a V-shape.

9. The snow thrower of claim 6 , wherein the brush comprises:
first extensions having a first length and a first rigidity; and
second extensions interspersed amongst the first extensions, the second extensions having a second length less than the first length and having a second rigidity greater than the first rigidity.

10. The snow thrower of claim 9 , wherein the first extensions comprise synthetic bristles and wherein the second extensions comprise metallic wires.

11. The snow thrower of claim 1 , wherein the helical pliable flight comprises flexible belting.

12. The snow thrower of claim 1 , wherein the helical pliable flight projects beyond the auger housing.

13. The snow thrower of claim 1 , wherein the helical pliable flight comprises:
a backing; and
bristles, each of the bristles having a pliable length extending from the backing, the pliable length having a lower portion facing the side face of the outer teeth, and intermediate portion extending across the outer toothed edge and an outer portion extending beyond the outer toothed edge, the length of each of the bristles providing the pliable portions of the helical pliable flight.

Assignees

• Mast James W
• Jerger Peter C
• Colmenero Jorge A
• Dimsey James J
• Gerritts Samuel J
• Briggs & Stratton Corp

Inventors

• Mast James W
• Jerger Peter C
• Colmenero Jorge A
• Dimsey James J
• Gerritts Samuel J

Classifications

• E01H5/094

  about vertical or substantially vertical axises · CPC title

• E01H5/098 Primary

  about horizontal or substantially horizontal axises perpendicular or substantially perpendicular to the direction of clearing · CPC title