Overcenter locking hose clamp

An elongated arcuate strip member having overlapped opposite ends and constructed of non-elastic rigid material having minimal flexive properties, one of said ends including anchor means supported therefrom, the other of said ends including an arcuate lever having one end pivotally supported from said other strip member end for swinging into and out of position closely overlying and paralleling said other end and with said other end of said lever extending in the direction along said strip member in which the latter extends from said other end to said one end of said strip member, an elongated stiff expansion spring having one end anchored relative to said anchor means and the other end anchored relative to said lever intermediate said one and other ends thereof, said one end of said strip member overlapping the outer surface of said other end of said strip member, said opposite ends of said strip member defining channel member portions extending longitudinally of said strip member, said channel member portions opening outwardly of said arcuate strip member, the channel member portion carried by said one end of said strip member being snugly slidably telescoped within the channel member portion defined by said other end of said strip member.