Patent ID: 7806071

Claim:
A bell for a bicycle, comprising, in combination: a housing mounted on a handlebar and comprising a channel and an upward extending flange partially surrounding a top of the channel; a guide member secured to the housing; a drum secured to the housing to cover the guide member; a striking device comprising a bell lever, a clapper opposite the bell lever and extending through the upward extending flange to contact the guide member, a central through hole, and a cavity adjacent the central through hole; and means for resiliently fastening the striking device on the top of the channel comprising an expansion spring having one end anchored in the cavity and the other end urged against an inner wall of the upward extending flange to dispose in the channel, a bolt having an upper internally threaded section and a lower externally threaded section, the bolt being inserted through both the expansion spring and the channel, a nut threadedly secured to the lower externally threaded section of the bolt on a bottom of the housing, and a threaded fastener driven through the central through hole into the upper internally threaded section to pivotably secure the striking device to the bolt, whereby pivoting the bell lever about the channel will pivotably move the clapper to strike a first position on an inner surface of the drum after passing the guide member; and whereby releasing the bell lever will return the clapper to its inoperative position contacting the guide member after passing the guide member and striking an opposite second position on the inner surface of the drum.