Patent ID: 11958171
Assignee: KLEIN TOOLS, INC.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 4:
5. The screwdriver device of claim 1, wherein the locking mechanism comprises:
a blade lock having an opening sized to allow sliding passage of the axial blade member therethrough;
a rotatable dial disposed about an end of the blade lock where the dial includes cam surfaces configured and disposed to engage cam surfaces on a cam lock, the cam lock also disposed about the blade lock;
at least one lock pin engaged with the blade lock for guided movement relative to the blade lock between a locking position and an unlocked position, the cam lock operably engaged with the at least one lock pin to urge the at least one lock pin from the locking position to the unlocked position in response to the rotation of the rotatable dial; and
a biasing spring configured and disposed to bias the at least one lock pin toward the locking position.