Hand held multiple object implement

Details Hand held multiple object implement Hand held multiple object implement

B - Operations, Transporting

25

G

B25G 1/08 (2006.01) B25B 15/00 (2006.01)

Patent

CA 2048996

2048996 9010524 PCTABS00002 In a hand held multiple bit object implement (10) having a handle (12) with a central longitudinal axis (28), a bit selector cup (14) rotatably mounted at an end of said handle to rotate about said central axis, a plurality of bits (30) provided peripherally of said handle in a generally circular pattern about said handle axis, each bit being provided in said handle to extend essentially parallel to said handle's axis, a chuck (63) provided at said end of said handle, said chuck being aligned with said handle axis for receiving a bit head and securing it against rotation, said cup having a continuous side wall with an interior surface spaced radially outwardly of the radial location of said circular pattern of bits and a closed cup end, an elongate slot (46) extending from a central portion of said cup end and radially outwardly to the location of said bits in said handle, said cup being rotatable to position said slot in register with any desired bit in said handle, said slot in said cup being of sufficient width and length to permit outward withdrawal of a bit shaft (44) from said handle in a direction generally parallel with said handle axis, said slot defining opposing cup slot wall portions along the length of the slot, said bit head (34) having a plurality of outwardly projecting external faces overhanging portions (38) of which contact said opposing cup slot wall portions, said bit head retaining said bit within said cup, said bit being movable along said slot towards said cup centre into alignment with said chuck for insertion of said bit head into said chuck, the improvement comprising a locking unit (52) mounted within an end of the cup, said locking unit having a slot (56) formed therewithin corresponding to the shape and size of the slot in the cup end, said locking unit being provided with a generally U-shaped internal sleeve (60) extending through the cup and toward the chuck, said internal sleeve being provided with hexagonal faces (62) adapted to cooperatively engage the faces of bit head for guiding the head toward a chuck.

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