Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Reexamination Certificate
2005-07-26
2005-07-26
Smith, James G. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Handle or shank
C081S177200, C081S438000, C279S038000
Reexamination Certificate
active
06920810
ABSTRACT:
A method and apparatus for coupling an attachable tool to a handle comprising a coupler device fixedly attached to the handle and having a locking structure moveable between locking and release conditions and being carried by a coupler body having an inner wall defining a cavity that is accessible via a cavity dimensioned and shaped to receive the attachable tool and having a first locking member for cooperative abutting engagement with the attachable tool to temporarily move the locking structure to its release condition when the attachment shaft is inserted into the cavity and a second locking member for cooperative engagement with the locking structure when the attachment shaft is inserted substantially into the cavity and the locking structure is moved to the locking position to inhibit removal of the attachment shaft from the cavity.
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Foster Michael L.
Heiligenthal Charles H.
Thompson Christopher D.
Seyfarth Shaw LLP
Smith James G.
Snap-on Incorporated
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