Patent ID: 7367275

Claim:
A sewing machine frame comprising: a main frame including: an upper support member for supporting thereon a plurality of machine heads in a substantially horizontal orientation and in juxtaposed relation to each other, the upper support member having mounting holes formed in predetermined positions thereof for mounting individual ones of the machine heads; a lower support member for supporting thereon a plurality of hook bases, corresponding to the machine heads, in a substantially horizontal orientation and in juxtaposed relation to each other, the lower support member having substantially the same length as the upper support member; and a pair of joint members positioned between respective opposite ends of the upper support member and the lower support member so that said upper support member and said lower support member are positioned in substantially parallel relation to each other with a predetermined interval therebetween, wherein the joint members are welded to said upper support member and said lower support member; and a pair of mutually-separated supporting leg sections for attached to left and right ends, respectively, of said main frame to support said main frame in a substantially horizontal orientation at a predetermined height.