Miter adjustment assembly for a saw

Abstract

A saw, such as a chop saw, a miter saw, a sliding saw, a compound miter saw, etc. In some constructions, the saw may include a miter adjustment assembly including a coarse adjustment assembly and a fine adjustment assembly. In some constructions, the saw may include a bevel adjustment assembly including a brake mechanism and a bevel detent assembly. In some constructions, the saw may include a dust collection assembly including a dust chute defining a dust both around the bevel arm. In some constructions, the saw may include a table having a top wall with a peripheral rim and a side wall depending from the top wall, and a base defining an opening in which the side wall is received and a ledge above which the rim is positioned. In some constructions, the saw may include elastomeric material covering a portion of the base, such as a bottom surface, a lateral surface, a grip surface, etc.

1 . A miter saw comprising: 
 a base supportable on a surface to support the miter saw on the surface;    a table supported by the base for pivoting movement about an axis;    a cutting unit supported on the table for movement relative to the table between a raised non-cutting position and a lowered cutting position; and    a fine adjustment assembly between the base and the table and operable to finely adjust an angular position of the table relative to the base, the assembly including 
 a rack supported by the base,  
 a gear supported by the table, the gear being engageable with and rotatable along the rack to finely adjust the angular position of the table relative to the base.  
   
   
   
       2 . The miter saw of  claim 1 , wherein the gear is disengageable from being driven along the rack.  
   
   
       3 . The miter saw of  claim 1 , wherein the fine adjustment assembly further includes a shaft supported by the table for rotation relative to the table, the gear being supported by the shaft for rotation with the shaft relative to the table.  
   
   
       4 . The miter saw of  claim 3 , wherein the first-mentioned shaft has a first end and a second end, wherein the first-mentioned gear is supported proximate the first end, and wherein the fine adjustment assembly further includes 
 a second gear supported proximate the second end of the first-mentioned shaft, the second gear being rotatable with the first-mentioned shaft,    a second shaft supported by the table for rotation relative to the table,    a third gear supported on the second shaft for rotation with the second shaft, the third gear being engageable with the second gear, rotation of the second shaft and of the third gear causing rotation of the second gear, of the first-mentioned shaft and of the first-mentioned gear such that the first-mentioned gear moves along the rack to finely adjust the angular position of the table relative to the base.    
   
   
       5 . The miter saw of  claim 1 , wherein the fine adjustment assembly further includes an actuator assembly operable to cause movement of the gear relative to the rack, the actuator assembly including a knob engageable by an operator to operate the actuator assembly to cause movement of the gear relative to the rack.  
   
   
       6 . The miter saw of  claim 5 , wherein the actuator assembly is operable to cause engagement of the gear with the rack and to at least allow disengagement of the gear from the rack.  
   
   
       7 . The miter saw of  claim 1 , and further comprising a coarse adjustment assembly between the base and the table and operable to coarsely adjust an angular position of the table relative to the base.  
   
   
       8 . The miter saw of  claim 1 , and further comprising a locking assembly operable to lock the table in an angular position relative to the base.  
   
   
       9 . A miter saw comprising: 
 a base supportable on a surface to support the miter saw on the surface;    a table supported by the base for pivoting movement about an axis;    a cutting unit supported on the table for movement relative to the table between a raised non-cutting position and a lowered cutting position;    a fine adjustment assembly between the base and the table and operable to finely adjust an angular position of the table relative to the base, the assembly including 
 a rack supported by the base,  
 a gear supported by the table, the gear being engageable with and rotatable along the rack to finely adjust the angular position of the table relative to the base; and  
   a coarse adjustment assembly between the base and the table and operable to coarsely adjust an angular position of the table relative to the base.    
   
   
       10 . The miter saw of  claim 9 , wherein the coarse adjustment assembly includes a detent assembly operable to position the table relative to the base in a selected angular position, the detent assembly including 
 a detent projection supported on the table, and    a detent recess defined by the base, the projection being engageable in the recess to position the table relative to the base in the selected angular position.    
   
   
       11 . The miter saw of  claim 10 , wherein the detent assembly has a detent engaged condition, in which the projection engages the recess, and a disengaged condition, in which the detent does not engage the recess, and wherein the fine adjustment assembly is operable when the detent assembly is in the disengaged condition.  
   
   
       12 . The miter saw of  claim 11 , wherein the detent assembly includes a detent actuator operable to cause the detent projection to disengage from the detent recess.  
   
   
       13 . The miter saw of  claim 11 , wherein the fine adjustment assembly is operable to move the detent assembly from the engaged condition to the disengaged condition.  
   
   
       14 . The miter saw of  claim 9 , wherein the fine adjustment assembly further includes a shaft supported by the table for rotation relative to the table, the gear being supported by the shaft for rotation with the shaft relative to the table.  
   
   
       15 . The miter saw of  claim 14 , wherein the first-mentioned shaft has a first end and a second end, wherein the first-mentioned gear is supported proximate the first end, and wherein 
 the fine adjustment assembly further includes a second gear supported proximate the second end of the first-mentioned shaft, the second gear being rotatable with the first-mentioned shaft,    a second shaft supported by the table for rotation relative to the table,    a third gear supported on the second shaft for rotation with the second shaft, the third gear being engageable with the second gear, rotation of the second shaft and of the third gear causing rotation of the second gear, of the first-mentioned shaft and of the first-mentioned gear such that the first-mentioned gear moves along the rack to finely adjust the angular position of the table relative to the base.    
   
   
       16 . The miter saw of  claim 9 , wherein the fine adjustment assembly further includes an actuator assembly operable to cause movement of the gear relative to the rack, the actuator assembly including a knob engageable by an operator to operate the actuator assembly to cause movement of the gear relative to the rack.  
   
   
       17 . A miter saw comprising: 
 a base supportable on a surface to support the miter saw on the surface;    a table supported by the base for pivoting movement about an axis;    a cutting unit supported on the table for movement relative to the table between a raised non-cutting position and a lowered cutting position;    a fine adjustment assembly between the base and the table and operable to finely adjust an angular position of the table relative to the base, the assembly including 
 a rack supported by the base,  
 a gear supported by the table, the gear being engageable with and rotatable along the rack to finely adjust the angular position of the table relative to the base; and  
   a locking assembly operable to lock the table in an angular position relative to the base.    
   
   
       18 . The miter saw of  claim 17 , wherein the locking assembly includes 
 a base locking surface formed on the base, and    a table locking surface supported by the table and movable into engagement with the base locking surface to lock the table in an angular position relative to the base.    
   
   
       19 . The miter saw of  claim 18 , wherein the locking assembly further includes a shaft supported by the table and operable to move the table locking surface into engagement with the base locking surface to lock the table in an angular position relative to the base, the shaft being operable to at least allow the table locking surface to move out of engagement with the base locking surface to allow the table to pivot relative to the base.  
   
   
       20 . The miter saw of  claim 19 , wherein the fine adjustment assembly further includes a fine adjustment shaft supported by the table for rotation relative to the table, the gear being supported by the fine adjustment shaft for rotation with the fine adjustment shaft relative to the table.