Patent ID: 8267748

Claim:
A safe guarding assembly for a grinding gun having a body having a casing being hollow and having an external surface; a front end; a rear end; a shaft hole being formed through the front end and the rear end of the casing; and a retaining ring being formed on and protruding from the front end of the casing around the shaft hole and having an external surface; and an outer thread being formed around the external surface of the retaining ring; a rear protective cap being circular, being mounted securely around the front end of the casing and having a rear end being mounted around the retaining ring of the casing; a front end; an internal surface; an inner thread being formed around the internal surface of the rear protective cap near the rear end and being screwed with the outer thread of the retaining ring; a through hole being formed through the front end of the rear protective cap; and a mounting ring being formed on and protruding from the front end of the rear protective cap and having an external surface; and an outer thread being formed around the external surface of the mounting ring; and a front protective cap being mounted detachably around the rear protective cap and having a rear end being mounted around the mounting ring of the rear protective cap; a front end; an internal surface; an inner thread being formed around the internal surface of the front protective cap near the rear end and being screwed with the outer thread of the mounting ring; and a conical segment being formed on and protruding from the front end of the front protective cap and having a free end; and a tube hole being formed through the free end of the conical segment.