Patent ID: 11965325
Assignee: BLACK & DECKER, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC E  B | IPC B  E

Claim 6:
7. The drain cleaning device of claim 6, wherein the articulating protrusion is configured to contact a first lateral side wall of a recess in response to the first external force applied to the actuating pad, and to articulate the second end portion of the tool-free lock assembly outward, and wherein the stepped portion is configured to engage a corner portion of a second lateral side wall of the recess, opposite the first lateral side wall of the recess, in response to the outward articulation of the tool-free lock assembly, the engagement of the stepped portion of the locking plate with the corner portion of the second lateral side wall of the recess holding the tool-free lock assembly in the unlocked position.