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

Claim 10:
11. A screwdriver device, comprising:
a handle having an elongate channel;
an axial blade member having a first distal end and a second distal end being configured and disposed for sliding through the elongate channel of the handle;
a first tool head disposed on the first distal end of the axial blade member; and
a locking mechanism configured and disposed for releasably locking the axial blade member at a first operable position relative to the handle wherein the first distal end is exposed and the second distal end is disposed within the handle,
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;
a 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 pin to urge the 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 lock pin toward the locking position.