Portable sawmill

Abstract

The present invention provides comprising a carriage base, post(s) extending therefrom, a vertical slide for holding a powered sawhead on said post(s), and a wheel assembly(ies) on the carriage base for horizontal movement along guide rails.

1 . A device for holding and moving a powered sawhead along a linear path comprising: 
 a carriage base, having an assembly capable of engaging either a first guide rail or a second guide rail positioned parallel to said first guide rail, and, when engaged to such guide rails extended horizontally, capable of horizontal movement along said guide rails;    a vertical post extending from a top end to a bottom end, said post being or capable of being attached at the bottom end to the carriage base;    a vertical slide, extending horizontally from said post, capable of vertical displacement along said post, said displacement being lockable;    said vertical slide further being capable of being affixed to a powered sawhead having a powered saw blade such that, when the device is assembled and the powered sawhead is affixed, the powered saw blade is capable of cutting in a generally horizontal plane.    
     
     
         2 . The device as claimed in  claim 1 , wherein said device is capable of utilizing a ladder as said first and second guide rails.  
     
     
         3 . The device of  claim 1 , wherein the vertical slide is vertically adjustable in relation to the carriage base.  
     
     
         4 . The device of  claim 1 , further comprising a first guide rail and a second guide rail.  
     
     
         5 . The device of  claim 4 , wherein the first guide rail and the second guide rail are parallel, on the same vertical plane, and structurally affixed to one another.  
     
     
         6 . The device of  claim 1 , wherein the carriage base is generally triangular in shape.  
     
     
         7 . The device of  claim 1 , wherein the vertical post and the vertical slide are of close contact sleeve construction.  
     
     
         8 . The device of  claim 1 , wherein the carriage base wheel assembly comprises: 
 a fixed flanged wheel that is capable of riding on, and abutting against an inside upper lip of the first guide rail or the second guide rail; and    an adjustable flanged wheel that is capable of riding under and abutting against an outside lower lip of the first guide rail or the second guide rail.    
     
     
         9 . The device of  claim 1 , further comprising a push handle for displacing the device horizontally along the first and second guide rails.  
     
     
         10 . The device of  claim 9 , wherein the push handle is connected to the carriage base and extends to the opposite side of the saw blade.  
     
     
         11 . The device of  claim 9 , wherein the push handle is detachable from the carriage base.  
     
     
         12 . The device  claim 9 , further comprising a throttle handle on said push handle, a cable connecting said throttle handle to a throttle activator, said throttle activator capable of activating a throttle of the powered sawhead.  
     
     
         13 . The device of  claim 1 , wherein any one or more of the guide, carriage base and vertical slide can be reversably quick-connected or quick-disconnected for storage or transport.  
     
     
         14 . The device of  claim 1 , wherein said sawhead is a chainsaw.  
     
     
         15 . The device of  claim 1 , wherein said sawhead is a circular saw.  
     
     
         16 . The device of  claim 1 , wherein said sawhead is a band saw.  
     
     
         17 . A device for holding and moving a powered sawhead along a linear path comprising: 
 a carriage base, having a base, an assembly capable of engaging a first guide rail and, when engaged to such a first guide rail extended horizontally, capable of horizontal movement along said first guide rail;    an outrigger arm, adjustably connected to the carriage base and having an outrigger assembly, such outrigger assembly capable of engaging a second guide rail and when engaged to such a second guide rail extended horizontally, capable of horizontal movement along said guide rail, wherein said adjustable connection allows for varying, lockable, distances between the carriage base wheel assembly and the outrigger wheel assembly;    a vertical post extending from a top end to a bottom end, said post being capable of being attached at the bottom end to the carriage base;    a vertical slide, extending horizontally from said post, capable of vertical displacement along said post, said displacement being lockable;    said vertical slide further being capable of being affixed to a powered sawhead having a powered saw blade so that, when the device is assembled and the powered sawhead is affixed, the powered saw blade is capable of cutting in a generally horizontal plane.    
     
     
         18 . The device as claimed in  claim 17 , wherein said vertical slide comprises a horizontally projecting sawhead support plate capable of being affixed to the vertical slide and further capable of being affixed to a powered sawhead having a saw blade such that, when the sawhead support is affixed to both the vertical slide and the sawhead, the saw blade is capable of cutting in a generally horizontal plane.  
     
     
         19 . The device of  claim 17 , wherein the outrigger wheel assembly is a twin, non-flanged wheel assembly.  
     
     
         20 . The device of  claim 17 , wherein the device is capable of utilizing a ladder as said first and second guide rails.  
     
     
         21 . The device of  claim 17 , wherein the sawhead support is affixed to the vertical slide utilizing quick-connect and quick-release means.  
     
     
         22 . The device of  claim 17 , wherein the vertical slide is vertically adjustable in relation to the carriage base.  
     
     
         23 . The device of  claim 17 , further comprising a first guide rail and a second guide rail.  
     
     
         24 . The device of  claim 23 , wherein the first guide rail and the second guide rail are parallel, on the same vertical plane, and structurally affixed to one another.  
     
     
         25 . The device of  claim 17 , wherein the carriage base is generally triangular in shape.  
     
     
         26 . The device of  claim 17 , wherein the vertical post and the vertical slide are of close contact sleeve construction.  
     
     
         27 . The device of  claim 17 , wherein the carriage base wheel assembly comprises: 
 a fixed flanged wheel that is capable of riding on, and abutting against an inside upper lip of the first guide rail or the second guide rail; and    an adjustable flanged wheel that is capable of riding under and abutting against an outside lower lip of the first guide rail or the second guide rail.    
     
     
         28 . The device of  claim 17 , further comprising a push handle for displacing the device horizontally along the first and second guide rails.  
     
     
         29 . The device of  claim 28 , wherein the push handle is connected to the carriage base and extends to the opposite side of the saw blade.  
     
     
         30 . The device of  claim 28 , wherein the push handle is detachable from the carriage base.  
     
     
         31 . The device of  claim 17 , further comprising a throttle handle on said push handle, a cable connecting said throttle handle to a throttle activator, said throttle activator capable of activating a throttle of the powered sawhead.  
     
     
         32 . The device of  claim 17 , wherein any one or more of the guide, carriage base and vertical slide can be reversably quick-connected or quick-disconnected for storage or transport.  
     
     
         33 . The device of  claim 17 , wherein said sawhead is a chainsaw.  
     
     
         34 . The device of  claim 17 , wherein said sawhead is a circular saw.  
     
     
         35 . The device of  claim 17 , wherein said sawhead is a band saw.