Patent ID: 7824331

Claim:
In an examining device comprising: a blade having a proximal end and a distal end, a handle having a bottom, a side, a top, an open slot on said top, said slot having a front end, a rear end, a left side, a right side and a bottom, and a hinge pin transverse said front end of said open slot, and means to detachably secure said blade to said handle in an L-shaped configuration comprising: an improved heel-shaped depending appendage disposed on said proximal end of said blade, said heel shaped depending appendage having a right end and a left end, said right end of said heel-shaped depending appendage adapted to hook under said hinge pin in said front end of said open slot provided in said top of said handle, said slot being adapted to matingly receive said heel-shaped depending appendage on said blade, said improvement comprising: means to detachably and rotatably secure said blade to said handle in at least two positions in said L-shaped configuration, one position being an operating position and one position being a folded position, wherein said means to secure said blade to said handle comprises a claw-type fitting having a left end and a right end, said right end of said claw-type fitting having an inclined slot disposed in said right end of said heel-shaped depending appendage and laterally across said right end of said heel-shaped depending appendage thereof which wherein said slot receives there into said hinge pin of said handle for rotating, mating engagement of said blade and said handle thereof; said inclined slot having a lower tongue-shaped protrusion having an end which extends past said right end of said heel-shaped depending appendage a sufficient distance such that when said blade is rotated to said folded position, said end of said tongue-shaped protrusion abuts said bottom of said open slot provided in said top of said handle to inhibit rotation of said blade whereby said distal end of said blade does not contact said side of said handle.