Useful improvements in sawing devices

Details Useful improvements in sawing devices Useful improvements in sawing devices

1992-02-24

1993-03-09

Rose, Robert A.

Stone working

Sawing

Rotary

512065, 83839, 83844, 125 22, B24D 512, B24D 506

Patent

active

051918730

ABSTRACT:
This invention relates to devices for sawing hard material such as stone, and includes extenders to be affixed to the peripheral surfaces of a sawing core. Each has vertical sidewalls which are spaced-apart from each other by top and bottom spacer elements. The cavity created thereby opens to the front (i.e., in the direction of travel of the core when in use) and to the rear of the extender. The bottom of the cavity, which is formed by the upper surface of the bottom spacer element, inclines upward toward the rear to deflect water that has been sprayed onto the device to lubricate, cool and clean it, onto the next succeeding extenders and their associated cutting surfaces. The top spacer element receives a slideably replaceable cutting member base from said front direction, that may have a U-shaped mounting base and has a matrix element affixed to its top that is adapted to provide desired cutting surfaces. Preferably, the top and front surfaces of each cutting member base covers the top ends of the side walls of the extender to which is affixed. Each extender may include a tab which extends into spaces on the peripheral surface of the core, which may abut a surface of that space to assist in preventing the extender from becoming dislodged.

REFERENCES:
patent: 4484560 (1984-11-01), Tanigawa
patent: 4744278 (1988-05-01), Wright

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