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

Claim 0:
1. A drain cleaning device, comprising:
a drum assembly coupleable to a power unit with a motor for rotation by the motor, the drum assembly including a base configured to receive a cable, a cover releasably coupleable to the base, and a tool-free lock assembly that releasably couples the cover to the base, the tool-free lock moveable, without use of a secondary tool, between a locked position in which the cover is coupled to the base and an unlocked position in which the cover is removable from the base; and
a feed handle assembly coupled to the drum assembly and configured to receive the cable to feed the cable into a drain,
wherein the tool-free lock assembly comprises a taper lock including
a locking plate movable between the locked position and the unlocked position, the locking plate including a keyhole slot having an elongated portion and an enlarged portion,
an engagement pin configured to be selectively receivable in the elongated portion or the enlarged portion based on a position of the locking plate, and
an elastic member configured to bias the locking plate toward the locked position, the locking plate being movable against the biasing force to be moved to the unlocked position in response to an external force applied to the locking plate.