Portable blower with wear resistant discharge end
First Claim
Patent Images
1. A portable blower comprising:
- a propulsion unit for continuously generating a supply of pressurized fluid; and
a conduit assembly for controllably directing fluid from the propulsion unit to and through a discharge opening on the conduit assembly,the discharge opening having a central axis and a diameter,the discharge opening bounded by a rim,the rim defined at least partially by a discrete component made from a first material,the discrete component extending axially relative to the central axis a distance less than the diameter of the discharge opening,the conduit assembly comprising a first portion made from a second material to which the discrete component is operatively connected,the first material being at least one of;
a) more resistant to abrasive wear than the second material;
b) more resistant to impact than the second material; and
c) harder than the second material,wherein the discrete component is in the form of a ring,wherein air moving through the discharge opening moves in a first line, the first portion of the conduit assembly defines a first edge on the rim facing in one direction generally parallel to the first line and the discrete component defines a second edge that extends transversely to the first line and abuts to the first edge with the discrete component operatively connected.
1 Assignment
0 Petitions
Accused Products
Abstract
A portable blower having a propulsion unit for continuously generating a supply of pressurized fluid and a conduit assembly for controllably directing fluid from the propulsion unit to and through a discharge opening on the conduit assembly. The discharge opening is bounded by a rim, defined at least partially by a discrete component made from a first material. The conduit assembly has a first portion made from a second material to which the discrete component is operatively connected. The first material is at least one of: a) more resistant to abrasive wear than the second material; b) more resistant to impact than the second material; and c) harder than the second material.
-
Citations
23 Claims
-
1. A portable blower comprising:
-
a propulsion unit for continuously generating a supply of pressurized fluid; and a conduit assembly for controllably directing fluid from the propulsion unit to and through a discharge opening on the conduit assembly, the discharge opening having a central axis and a diameter, the discharge opening bounded by a rim, the rim defined at least partially by a discrete component made from a first material, the discrete component extending axially relative to the central axis a distance less than the diameter of the discharge opening, the conduit assembly comprising a first portion made from a second material to which the discrete component is operatively connected, the first material being at least one of;
a) more resistant to abrasive wear than the second material;
b) more resistant to impact than the second material; and
c) harder than the second material,wherein the discrete component is in the form of a ring, wherein air moving through the discharge opening moves in a first line, the first portion of the conduit assembly defines a first edge on the rim facing in one direction generally parallel to the first line and the discrete component defines a second edge that extends transversely to the first line and abuts to the first edge with the discrete component operatively connected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
-
-
20. A portable blower comprising:
-
a propulsion unit for continuously generating a supply of pressurized fluid; and a conduit assembly for controllably directing fluid from the propulsion unit to and through a discharge opening on the conduit assembly, the discharge opening having a central axis and a diameter, the discharge opening bounded by a rim, the rim defined at least partially by a discrete component made from a first material, the discrete component extending axially relative to the central axis a distance less than the diameter of the discharge opening, the conduit assembly comprising a first portion made from a second material to which the discrete component is operatively connected, the first material being at least one of;
a) more resistant to abrasive wear than the second material;
b) more resistant to impact than the second material; and
c) harder than the second material,wherein the discrete component is in the form of a ring, wherein air moving through the discharge opening moves in a first line, the first portion of the conduit assembly defines a first edge on the rim facing in one direction generally parallel to the first line and the discrete component defines a second edge that extends transversely to the first line and abuts to the first edge with the discrete component operatively connected, wherein the ring comprises a third edge facing generally in the one direction and engages the first portion of the conduit assembly so that a part of the first portion of the conduit assembly is captively held in a fixed relationship between the second and third edges to thereby maintain the discrete component operatively connected, wherein the third edge is defined by a first cantilevered tab, wherein the third edge is configured to define spaced contact regions that each digs into the first portion of the conduit assembly. - View Dependent Claims (21, 22)
-
-
23. A portable blower comprising:
-
a propulsion unit for continuously generating a supply of pressurized fluid; and a conduit assembly for controllably directing fluid from the propulsion unit to and through a discharge opening on the conduit assembly, the discharge opening bounded by a rim, the rim defined at least partially by a discrete component made from a first material, the conduit assembly comprising a first portion made from a second material to which the discrete component is operatively connected, the first material being at least one of;
a) more resistant to abrasive wear than the second material;
b) more resistant to impact than the second material; and
c) harder than the second material,wherein the discrete component is in the form of a ring, wherein the ring has a central axis, a diameter, and an axial length and the diameter is greater than the axial length of the ring, wherein the air moving through the discharge opening moves in a first line, the first portion of the conduit assembly defining a first edge on the rim facing in one direction generally parallel to the first line, wherein the discrete component defines a second edge that extends transversely to the first line and extends across the first edge with the discrete component operatively connected.
-
Specification