Terminal lock device for screw lock terminal

Abstract

For preventing incomplete lock of a terminal at lock leaves of a connection box main body, and locking the terminal smoothly and securely at the lock leaves, a terminal lock device includes a connection box main body made of insulation resin, having a surrounding wall for receiving a terminal, and a pair of flexible lock leaves in the surrounding wall. A tab of the terminal with an electric wire is structured for inserting a head of a bolt. The tab is locked at the lock leaves. The terminal is connected to a mating circuit by screwing. A cover includes projecting plates, which are respectively inserted into bending spaces for bending the lock leaves when the cover is attached at the connection box main body. A pair of wall ribs is provided adjacent to the lock leaves, and a pair of tab ribs is provided at both ends of the tab.

Dependencies are inferred from the claim text.