Flush cut saw

摘要

This invention relates generally to power tools, particularly to a portable, multifunction saw and uses thereof (e.g., for household, commercial (e.g., for use in window removal and replacement) and medical (e.g. for bone cutting) applications), and more particularly to a multifunctional saw with a protective blade guard configured to cover the entire blade.

主权项

1. A saw assembly, comprising: an electric motor subassembly, a spindle, a flanged hub, a blade, and a retractable fully enclosing blade guard-guide subassembly; wherein:
a) said electric motor subassembly having a motor adapted to produce rotational movement about a first axis of rotation; and wherein said electric motor subassembly comprises a momentary contact switch comprising a variable speed throttling switch; b) said spindle is rotatably powered by said electric motor for rotation about a second axis of rotation that is perpendicular to said first axis of rotation; c) said flanged hub comprises a section protruding from said hub a dimension equal to the thickness of said blade so as to be flush with said blade when said flanged hub and said blade are joined; d) said blade comprises a cutout for attachment to said flanged hub and a plurality of countersunk holes for receiving a plurality of countersunk screws, mounted on said spindle, wherein said spindle comprises a plurality of threaded spindle holes for receiving said plurality of screws, wherein said flanged hub attaches to and drives said blade, and wherein the means for attaching said blade to said flanged hub do not extend beyond the thickness of said blade; and e) in the absence of a cutting surface or surface attached to said cutting surface said guard-guide subassembly fully encloses said blade, said blade guard-guide subassembly comprising a top main guard-guide slidably mounted on said electric motor subassembly and a bottom guard-guide plate fixed to said top main guard-guide assembly.