Roof ripper
A shingle removal tool includes a base, a forwardly extending blade, and a rearwardly extending shaft. A pair wheels are rotatable about a laterally extending axis located rearward of the blade. The blade has a planar portion forming a leading edge. The shaft has an obtuse angle forming a forward portion having a central axis which intersects the plane formed by the planar portion between the planar portion and the wheels and a rearward portion which intersects the plane formed by the planar portion forward of the planar portion. A rear grip can be mounted to the shaft either rigidly or for impact absorption and a fore grip can be adjustable along the shaft.
1 . A shingle removal tool comprising, in combination:
a base;
a blade forwardly extending from the base;
wherein the blade has a planar portion forming a leading edge an elongate shaft rearwardly extending from the base;
a pair of wheels rotatably attached to the base rearward of the blade; and
wherein the wheels are laterally spaced apart and have a common rotational axis.
2 . The shingle removal tool according to claim 1 , wherein the blade removably mounted to the base.
3 . The shingle removal tool according to claim 1 , wherein the blade and the wheels are positioned such that a plane formed by the planar portion of the blade is substantially tangent to a radial periphery of at least one of the wheels.
4 . The shingle removal tool according to claim 1 , wherein the shaft extends from the base at a location forward of the wheels.
5 . The shingle removal tool according to claim 1 , wherein the shaft has an obtuse angle therein forming a forward portion having a central axis which intersects the plane formed by the planar portion of the blade between the planar portion of the blade and the wheels and a rearward portion which intersects the plane formed by the planar portion of the blade forward of the planar portion of the blade.
6 . The shingle removal tool according to claim 5 , further comprising a rear grip having a passage slidably receiving a rear end of the rearward portion of shaft therein such that the rear grip is axially moveable relative to the shaft and a body of resilient material located between the rear grip and the shaft to absorb impacts as the rear grip axially moves forward relative to the shaft.
7 . The shingle removal tool according to claim 5 , further comprising a rear grip rigidly secured to the rearward portion of the shaft and forming an acute angle with a central axis of the rearward portion of the shaft.
8 . The shingle removal tool according to claim 1 , wherein the wheels are rotatable about a laterally extending axle rigidly secured to the base.
9 . The shingle removal tool according to claim 1 , further comprising a rear grip located at a rearward end of the shaft and a fore grip located along the shaft.
10 . The shingle removal tool according to claim 1 , further comprising a rear grip having a passage slidably receiving a rear end of the shaft therein such that the rear grip is axially moveable relative to the shaft and a body of resilient material located between the rear grip and the shaft to absorb impacts as the rear grip axially moves forward relative to the shaft.
11 . The shingle removal tool according to claim 1 , further comprising a fore grip located along the shaft and axially adjustable along the length of the shaft.
12 . The shingle removal tool according to claim 11 , wherein the position of the fore grip is axially adjustable along the length of the shaft to a plurality of predetermined positions.
13 . A shingle removal tool comprising, in combination:
a base;
a blade forwardly extending from the base;
an elongate shaft rearwardly extending from the base;
at least one wheel rotatably attached to the base rearward of the blade;
wherein the blade has a planar portion forming a leading edge; and
wherein the shaft has an obtuse angle therein forming a forward portion having a central axis which intersects the plane formed by the planar portion of the blade between the planar portion of the blade and the at least one wheel and a rearward portion which intersects the plane formed by the planar portion of the blade forward of the planar portion of the blade.
14 . The shingle removal tool according to claim 13 , further comprising a rear grip having a passage slidably receiving a rear end of the rearward portion of shaft therein such that the rear grip is axially moveable relative to the shaft and a body of resilient material located between the rear grip and the shaft to absorb impacts as the rear grip axially moves forward relative to the shaft.
15 . The shingle removal tool according to claim 13 , further comprising a rear grip rigidly secured to the rearward portion of the shaft and forming an acute angle with a central axis of the rearward portion of the shaft.
16 . The shingle removal tool according to claim 13 , wherein the shaft is a tube.
17 . The shingle removal tool according to claim 13 , further comprising a fore grip located along the rearward portion of the shaft and a rear grip located at a rear end of the rearward portion of the shaft.
18 . The shingle removal tool according to claim 13 , further comprising a fore grip located along rearward portion of the shaft and axially adjustable along the length of the rearward portion of the shaft.
19 . The shingle removal tool according to claim 18 , wherein the position of the fore grip is axially adjustable along the length of the shaft to a plurality of predetermined positions.
20 . A shingle removal tool comprising, in combination:
a base;
a blade forwardly extending from the base;
an elongate shaft rearwardly extending from the base;
wherein the blade forms a leading edge;
a rear grip having a passage slidably receiving a rear end of the shaft therein such that the rear grip is axially moveable relative to the shaft; and
a body of resilient material located between the rear grip and the shaft to absorb impacts as the rear grip axially moves forward relative to the shaft.
21 . The shingle removal tool according to claim 20 , wherein the body comprises plastic.
22 . The shingle removal tool according to claim 21 , wherein the body comprises polyurethane foam.
23 . The shingle removal tool according to claim 20 , further comprising at least one wheel rotatably attached to the base rearward of the blade.
24 . The shingle removal tool according to claim 20 , wherein the blade has a planar portion forming the leading edge and the shaft has an obtuse angle therein forming a forward portion having a central axis which intersects the plane formed by the planar portion of the blade between the planar portion of the blade and the at least one wheel and a rearward portion which intersects the plane formed by the planar portion of the blade forward of the planar portion of the blade.
25 . The shingle removal tool according to claim 20 , further comprising a fore grip located along the shaft.
26 . The shingle removal tool according to claim 20 , further comprising a fore grip located along the shaft and axially adjustable along the length of the shaft.
27 . The shingle removal tool according to claim 26 , wherein the position of the fore grip is axially adjustable along the length of the shaft to a plurality of predetermined positions.
28 . A shingle removal tool comprising, in combination:
a base;
a blade forwardly extending from the base;
an elongate shaft rearwardly extending from the base;
wherein the blade forms a leading edge;
a rear grip located at a rear end of the shaft; and
a fore grip located along the shaft.
29 . The shingle removal tool according to claim 28 , wherein the fore grip is axially adjustable along the length of the shaft.
30 . The shingle removal tool according to claim 29 , wherein the position of the fore grip is axially adjustable along the length of the shaft to a plurality of predetermined positions.
31 . The shingle removal tool according to claim 28 , wherein the shaft is provided with a plurality of axially spaced apart openings for receiving a fastener to secure the fore grip at a plurality of alternative positions.
32 . The shingle removal tool according to claim 28 , further comprising at least one wheel rotatably attached to the base rearward of the blade.
33 . The shingle removal tool according to claim 32 , wherein the blade has a planar portion which forms the leading edge and the shaft has an obtuse angle therein forming a forward portion having a central axis which intersects the plane formed by the planar portion of the blade between the planar portion of the blade and the at least one wheel and a rearward portion which intersects the plane formed by the planar portion of the blade forward of the planar portion of the blade.
34 . The shingle removal tool according to claim 28 , wherein the rear grip has a passage slidably receiving a rear end of the shaft therein such that the rear grip is axially moveable relative to the shaft and a body of resilient material is located between the rear grip and the shaft to absorb impacts as the rear grip axially moves forward relative to the shaft.
35 . A shingle removal tool comprising, in combination:
a base;
a blade forwardly extending from the base;
an elongate shaft rearwardly extending from the base;
a pair of laterally spaced apart wheels rotatably about a laterally extending axis of rotation located rearward of the blade;
wherein the blade has a planar portion forming a leading edge;
wherein the shaft has an obtuse angle therein forming a forward portion having a central axis which intersects the plane formed by the planar portion of the blade between the planar portion of the blade and the wheels and a rearward portion which intersects the plane formed by the planar portion of the blade forward of the planar portion of the blade; and
a rear grip located at a rear end of the shaft.
36 . The shingle removal tool according to claim 35 , wherein the rear grip has a passage slidably receiving a rear end of the rearward portion of shaft therein such that the rear grip is axially moveable relative to the shaft and a body of resilient material is located between the rear grip and the shaft to absorb impacts as the rear grip axially moves forward relative to the shaft.
37 . The shingle removal tool according to claim 35 , wherein the rear grip is rigidly secured to the rearward portion of the shaft and forms an acute angle with a central axis of the rearward portion of the shaft.
38 . The shingle removal tool according to claim 35 , further comprising a fore grip located along the shaft and axially adjustable along the length of the shaft.