Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
125 words
Apparatus for removing material from a crack in a surface, said apparatus comprising: a vehicle adapted to be moved over the surface along said crack; pivotal arm structure mounted on the vehicle and including a projection extending into said crack to contact said material and dislodge the same as the vehicle moves along the crack, PIVOTAL ARM STRUCTURE MOUNTED ON THE VEHICLE AND INCLUDING A PROJECTION EXTENDING INTO SAID CRACK TO CONTACT SAID MATERIAL AND DISLODGE THE SAME AS THE VEHICLE MOVES ALONG THE CRACK, a source of air under pressure mounted on said vehicle; and delivery means coupled with said air source for directing an airstream into said crack from behind said projection whereby said material is blown from the crack by the airstream.
Claim 2
Dependent Claim
125 words
Apparatus for removing material from a crack in a surface, said apparatus comprising: a vehicle adapted to be moved over the surface along said crack; pivotal arm structure mounted on the vehicle and including a projection extending into said crack to contact said material and dislodge the same as the vehicle moves along the crack, PIVOTAL ARM STRUCTURE MOUNTED ON THE VEHICLE AND INCLUDING A PROJECTION EXTENDING INTO SAID CRACK TO CONTACT SAID MATERIAL AND DISLODGE THE SAME AS THE VEHICLE MOVES ALONG THE CRACK, a source of air under pressure mounted on said vehicle; and delivery means coupled with said air source for directing an airstream into said crack from behind said projection whereby said material is blown from the crack by the airstream.
Claim 3
Dependent Claim
23 words
The invention of claim 1, wherein said delivery means comprises an orifice presenting member disposed above and in spaced relationship to said crack.
Claim 4
Dependent Claim
26 words
The invention of claim 2, wherein said orifice is disposed in a horizontal plane adjacent said projection whereby to direct said airstream downwardly into said crack.
Claim 5
Dependent Claim
22 words
The invention of claim 3, wherein the size of said orifice is proportioned to the volume of air delivered by the compressor.
Claim 6
Dependent Claim
22 words
The invention of claim 4, wherein the air emanating from said source is under a pressure of between 75 to 100 p.s.i.g.
Claim 7
Dependent Claim
29 words
The invention of claim 1, wherein said horizontal and vertical axes are disposed in spaced apart relationship whereby to preclude movement of said structure other than about said axes.
Claim 8
Dependent Claim
56 words
The invention of claim 1, wherein is included a length of flexible conduit coupled with said air source, and valve means operable for directing air through said conduit, whereby the conduit may be utilized to direct an airstream to a location distant from said vehicle whereby to remove material from said surface at said distant location.
Claim 9
Dependent Claim
33 words
The invention of claim 7, wherein is included a hand lance coupled with said conduit and adapted to be grasped by an operator for facilitating use of said airstream at said distant location.
Claim 10
Dependent Claim
23 words
The invention of claim 7, wherein said valve means is operable to direct said airstream through either said conduit or said delivery means.
Claim 11
Dependent Claim
50 words
The invention of claim 1, wherein said veHicle comprises a pair of aligned wheels disposed for engagement with said surface, and a third wheel spaced forwardly of the vehicle from said aligned wheels, said third wheel being freely rotatable about a vertical axis whereby to facilitate steering of the vehicle.
Claim 12
Dependent Claim
57 words
The invention of claim 1, wherein said vehicle includes a pair of handles extending upwardly away from said surface and adapted to be grasped by an operator to steer the vehicle, said handles comprising a bracket adapted to be placed over the endgate of a truck for supporting the vehicle when it is transported by a truck.