Patent ID: 6405807
Filing Date: 2002-06-18
Classification: B25F

Abstract:
A multipurpose combination tool, comprising:a main body portion (1) having a housing (2) and an electric motor (5) with an output shaft (22) associated with the housing (2); a tool head portion (7) including a transmission mechanism (24); a locking mechanism (6) comprising: a thrust ring (10) located on the main body portion (1), the thrust ring (10) having a pair of thrust ring levers (15) extending out of the main body housing (2), the thrust ring (10) including at least one fixing element; a locking ring (11) located on the main body portion (1), the locking ring (11) including a pair of inclined wedges (18), the locking ring (11) being fixed on the thrust ring (10) through the at least one fixing element on the thrust ring (10); a locking pad (12) located on the main body portion (1), the locking pad (12) including a pair of bosses (19) that are inserted into the housing (2) of the main body (1); a washer (13) provided on the main body portion (1); and a locking head (14) provided on a rear end portion of the tool head portion (7), the locking head (14) including a pair of coupling lugs (20) and a wedging slot (21) located forwardly of the coupling lugs (20), the inclined wedges of the locking ring (11) being releasably insertable into the wedging slot (21) to thereby connect the main body portion to the tool head portion; and a power transmission device (9) comprising: an external spline (23) located on the output shaft (22) of the electric motor (5), the external spline having guiding faces (27); and an internal spline located on the transmission mechanism (24), the internal spline (25) having guided faces (26) engageable with the guiding faces (27), the internal spline (25) being insertable into or separable from the external spline (23).