Cutting apparatus for cutting concrete material and the like

Claim 2

A cutting appratus, having a portion for applying a fluid from a fluid source in one position, comprising: frame means; a cutting blade supportedly connected to the frame means; drive means connected to the cutting blade drivingly moving the cutting blade in an on position thereof; a support head connected to the frame means, having a fluid port formed through portion thereof, the fluid port including a channel formed through a portion of the support head and a tube opening formed through a portion of the support head extending at an angle to the channel, one end of the tube opening intersecting the support head forming a fastener inlet and the opposite end of the tube opening intersecting another portion of the support head forming a tube outlet and the channel intersecting and fluidically communicating with the tube opening, a stop surface being formed in the support head and positioned within a portion of the tube opening; a hollow tube removably disposed and supported within a portion of the tube opening in the support head having an extended portion extending a distance from the support head and disposed near the cutting blade in an assembled position of the tube, a fluid opening formed through a portion of the extended portion of the tube intersecting and fluidically communicating with the hollow portion of the tube and the hollow portion of the tube fluidically communicating with the fluid port in an assembled position of the tube in the support head, a tube stop surface and an engaging surface being formed on a portion of the tube, the tube stop surface engaging the stop surface formed in the support head limiting the movement of the tube in one direction in the tube opening; means removably connected to a portion of the support head having a portion engaging a portion of the tube limiting the movement of the tube in a directions, opposite the direction limited via the stop surface in the support head anD securing the tube in an assembled position in the support head, said means comprising: a plug removably disposed through the fastener inlet in the support head having a stop surface formed on a portion thereof and a plug opening formed therein, the stop surface formed on the plug engaging the engaging surface of the tube and securing the tube in an assembled position, the plug opening fluidically communicating with the hollow portion of the tube and fluidically communicating with the channel in the support head for providing fluidic communication between the channel in the support head and the hollow portion of the tube via the plug opening in an assembled position; and means connecting the support head and the fluid source establishing fluidic communication between the fluid source and the channel, the fluid source being in fluidic communication with the fluid opening in the tube via the fluid port in one position, the fluid from the fluid source being applied to the cutting blade via the fluid opening.

Claim 3

The apparatus of claim 1 defined further to include: a blade frame, having an aperture formed through a portion thereof, connected to the support frame and encompassing a portion of the cutting blade; and a bracket secured to the blade frame; and wherein the support head is removably connected to the bracket, the extended portion of the tube extending through the aperture in the blade frame; and wherein the apparatus is defined further to include: a fastener extending through the blade frame and retainingly engaging the extended portion of the tube securing the extended portion of the tube to the blade frame spaced a predetermined distance from the cutting blade.

Claim 4

The apparatus of claim 2 wherein the cutting blade includes a cutting surface, a portion of the blade frame encompassing the cutting surface; and wherein the bracket is U-shaped, having a pair of legs, a supporting surface, and an opening formed through the supporting surface, the legs being secured to the blade frame spacing the supporting surface a distance above the blade frame and the support head being removably connected to the supporting surface of the bracket; and wherein the apparatus includes: a pin, having opposite ends and a pin head formed on one end thereof, the pin extending through the opening in and a distance above the support surface of the bracket and the pin head being retainingly disposed between the blade frame and the bracket and engaging the support surface of the bracket limiting the movement of the pin through the opening in the support surface in one direction; and wherein the support head includes a pin opening extending through a portion thereof, the end of the pin, opposite the pin head end, extending through the pin opening in the support head and a distance beyond the support head; and means removably connected to the end of the pin extending beyond the support head and engaging the support head removably securing the support head to the bracket via the pin.

Claim 5

The apparatus of claim 1 wherein the stop surface is defined further as being formed in the support head and disposed within the tube opening between the fastener inlet and the tube outlet facing upwardly generally toward the fastener inlet; and wherein one end of the tube is flared outwardly from the hollow portion, the flared portion of the tube forming the tube stop surface and the engaging surface, the end of the tube, opposite the flared end being closed forcing the fluid in the hollow portion of the tube to be directed outwardly through the fluid opening.

Claim 6

The apparatus of claim 4 wherein a portion of the tube opening near the fastener inlet is threaded; and wherein the plug is defined further to include: a threaded end, a tapered end, an annular recess formed therein and extending peripherally thereabout between the threaded end and the tapered end, one end of the plug opening intersecting the annular recess and the opposite end of the plug opening intersecting tHe tapered end of the plug, the threaded end of the plug threadedly engaging the threaded portion of the tube opening and the tapered end of the plug forming the stop surface engaging the engaging surface of the tube and securing the tube in an assembled position, the portion of the plug opening intersecting the tapered end fluidically communicating with the hollow portion of the tube and the annular recess of the plug fluidically communicating with the end of the channel intersecting the tube opening, the plug providing fluidic communication between the channel and the hollow portion of the tube via the plug recess and the plug opening in an assembled position.

Claim 7

The apparatus of claim 1 wherein the cutting blade includes a cutting surface and a pair of faces: and wherein the fluid port in the support head is defined further to include a first channel and a second channel formed in a portion of the support head, one end of the first channel and one end of the second channel each intersecting a portion of the support head forming a common inlet opening and the first channel extending angularly through the support head with respect to the second channel and a first and a second tube opening formed in the support head, the first tube opening extending at an angle to the first channel and a portion of the first channel intersecting a portion of the first tube opening, and the second tube opening extending at an angle to the second channel and a portion of the second channel intersecting a portion of the second tube opening; and wherein the tube is removably disposed in a portion of one of the first and the second tube openings; and wherein the apparatus is defined further to include a second tube removably disposed in a portion of one of the first and the second tube openings opposite the disposition of the first-mentioned tube; and wherein the means connecting the fluid source and the support head is defined further as connecting the fluid source to the common inlet opening formed via the first and the second channels establishing fluidic communication therebetween.

Claim 8

The apparatus of claim 6 wherein the first tube opening is defined further as being positioned to position the extended portion of the tube removably disposed therein generally near one face of the cutting blade, and wherein the second tube opening is defined further as being positioned to position the extended portion of the tube removably disposed therein generally near the face of the cutting blade, opposite the face of the cutting blade disposed near the first-mentioned blade.

Claim 9

The apparatus of claim 1 wherein the tube is disposed near a portion of the cutting blade applying fluid thereon prior to the portion of the cutting blade being driven into cutting engagement with the material to be cut via the drive means.

Claim 10

The apparatus of claim 1 wherein the frame means is defined further to include: a support frame, having a handle formed on a portion thereof; and a blade frame connected to the support frame and protectively encompassing a portion of the cutting blade; and wherein the apparatus is defined further to include: a pivot bar secured to a portion of the blade frame providing a supporting surface engageable with the material to be cut, the cutting apparatus supported via the handle and the engagement between the pivot bar and the material to be cut balancing the cutting apparatus at a point generally adjacent the cutting surface for pivotal movement thereabout bringing the cutting surface into and away from cutting engagement with the material to be cut.

Claim 11

A cutting apparatus, having a portion for applying a fluid from a fluid source in one position, comprising: a support frame; a cutting blade supportedly connected to the support frame having a cutting surface; drive means connected to the cutting blade drivingly moving the cutting blade in an on position thereof; a blade frame connected to the support frame and encompassing a portion of the cuttinG blade and a portion of the cutting surface of the cutting blade, the blade frame having an aperture formed through a portion thereof; a bracket secured to the blade frame, the bracket being generally U-shaped and having a pair of legs, a supporting surface and an opening formed through the supporting surface, the legs being secured to the blade frame spacing the supporting surface a distance above the blade frame; a pin, having opposite ends and a pin head formed on one end thereof, the pin extending through the opening in and a distance above the support surface of the bracket and the pin head being retainingly disposed between the blade frame and the bracket and engaging the support surface of the bracket limiting the movement of the pin through the opening in the support surface in one direction; a support head removably connected to the supporting surface of the bracket and having a fluid port formed through a portion thereof, the fluid port including a channel formed through a portion of the support head and a tube opening formed through a portion of the support head extending at an angle to the channel, the channel intersecting and fluidically communicating with the tube opening, a stop surface being formed in the support head and positioned within a portion of the tube opening, the support head having a pin opening extending through a portion thereof and the end of the pin, opposite the pin head end, extending through the pin opening a distance beyond the support head; means removably connected to the end of the pin extending beyond the support head and engaging the support head removably securing the support head to the bracket via the pin; a hollow tube removably disposed and supported within a portion of the tube opening in the support head having an extended portion extending through the aperture in the blade frame and extending a distance from the support head and disposed near the cutting blade in an assembled position of the tube, a fluid opening formed through a portion of the extended portion of the tube intersecting and fluidically communicating with the hollow portion of the tube and the hollow portion of the tube fluidically communicating with the fluid port in an assembled position of the tube in the support head, a tube stop surface being formed on a portion of the tube for engaging the stop surface formed in the support head limiting the movement of the tube in one direction in the tube opening; means removably connected to a portion of the support head having a portion engaging a portion of the tube limiting the movement of the tube in a direction, opposite the direction limited via the stop surface in the support head and securing the tube in an assembled position in the support head; means connecting the support head and the fluid source establishing fluidic communication between the fluid source and the channel, the fluid source being in fluidic communication with the fluid opening in the tube via the fluid port in one position, the fluid from the fluid source being applied to the cutting blade via the fluid opening; and a fastener extending through the blade frame and retainingly engaging the extended portion of the tube securing the extended portion of the tube to the blade frame space a predetermined distance from the cutting blade.

Claim 12

A cutting apparatus, having a portion for applying a fluid from a fluid source in one position, comprising: a support frame; a cutting blade supportedly connected to the support frame having a cutting surface; drive means connected to the cutting blade drivingly moving the cutting blade in an on position thereof; a blade frame connected to the support frame and encompassing a portion of the cuttinG blade and a portion of the cutting surface of the cutting blade, the blade frame having an aperture formed through a portion thereof; a bracket secured to the blade frame, the bracket being generally U-shaped and having a pair of legs, a supporting surface and an opening formed through the supporting surface, the legs being secured to the blade frame spacing the supporting surface a distance above the blade frame; a pin, having opposite ends and a pin head formed on one end thereof, the pin extending through the opening in and a distance above the support surface of the bracket and the pin head being retainingly disposed between the blade frame and the bracket and engaging the support surface of the bracket limiting the movement of the pin through the opening in the support surface in one direction; a support head removably connected to the supporting surface of the bracket and having a fluid port formed through a portion thereof, the fluid port including a channel formed through a portion of the support head and a tube opening formed through a portion of the support head extending at an angle to the channel, the channel intersecting and fluidically communicating with the tube opening, a stop surface being formed in the support head and positioned within a portion of the tube opening, the support head having a pin opening extending through a portion thereof and the end of the pin, opposite the pin head end, extending through the pin opening a distance beyond the support head; means removably connected to the end of the pin extending beyond the support head and engaging the support head removably securing the support head to the bracket via the pin; a hollow tube removably disposed and supported within a portion of the tube opening in the support head having an extended portion extending through the aperture in the blade frame and extending a distance from the support head and disposed near the cutting blade in an assembled position of the tube, a fluid opening formed through a portion of the extended portion of the tube intersecting and fluidically communicating with the hollow portion of the tube and the hollow portion of the tube fluidically communicating with the fluid port in an assembled position of the tube in the support head, a tube stop surface being formed on a portion of the tube for engaging the stop surface formed in the support head limiting the movement of the tube in one direction in the tube opening; means removably connected to a portion of the support head having a portion engaging a portion of the tube limiting the movement of the tube in a direction, opposite the direction limited via the stop surface in the support head and securing the tube in an assembled position in the support head; means connecting the support head and the fluid source establishing fluidic communication between the fluid source and the channel, the fluid source being in fluidic communication with the fluid opening in the tube via the fluid port in one position, the fluid from the fluid source being applied to the cutting blade via the fluid opening; and a fastener extending through the blade frame and retainingly engaging the extended portion of the tube securing the extended portion of the tube to the blade frame space a predetermined distance from the cutting blade.