Patent ID: 8336240

Claim:
A wearable band assembly, comprising: a base band element with a body extending from a first to a second end; a sizing band element with a body extending from a first to a second end; and an interlocking fastener slidably coupling the base band element to the sizing band element, wherein the interlocking fastener comprises a first portion provided on the second end of the base band element body and a second portion provided on the second end of the sizing band element body, wherein the interlocking fastener comprises a tongue and groove mechanism, wherein the first portion comprises a tongue member extending from the second end of the base band element body and the second portion comprises a groove provided on the second end of the sizing band element body, wherein the tongue member comprises a body with a circular cross sectional shape and wherein the body extends with a longitudinal axis transverse to a longitudinal axis of the base band element body, and wherein the tongue member further comprises a raised surface extending about the periphery of the body of the tongue member and wherein the groove comprises a recessed surface corresponding to the raised surface for receiving the raised surface and retaining the tongue member in the groove.