Lightweight clamp and steady rest

Claim 1

A STEADY-REST CLAMP COMPRISING A PAIR OF ELONGATED GENERALLY FLAT MEMBERS EACH OF WHICH HAS OPPOSING FACES AND INNER AND OUTER MARGINS, SAID MEMBERS BEING DISPOSED IN A COMMON PLANE AND HAVING LEG PORTIONS MUTUALLY SPACED FROM EACH OTHER IN SAID PLANE, INTEGRAL MEANS PROVIDING PIVOTAL ENGAGEMENT BETWEEN THE INNER MARGINS OF SAID MEMBERS, SAID MEANS COMPRISING A TRANSVERSE CHANNEL IN THE INNER MARGIN OF ONE OF SAID MEMBERS AND A COMPLEMENTARY RIB ON TH E INNER MARGIN OF THE OTHER MEMBER AND PIVOTALLY ENGAGED IN SAID CHANNEL, THE INNER MARGINS OF THE RESPECTIVE MEMBERS HAVING TRANSVERSELY CHANNELED JAW PORTIONS AT THE ENDS THEREOF REMOTE FROM SAID LEG PORTIONS, AND RESILIENT TENSION MEANS ENCIRCLING SAID MEMBERS BETWEEN THEIR SAID JAW PORTIONS AND THE PIVOTALLY ENGAGED RIB AND CHANNEL PORTIONS, SAID TENSION MEANS BIASING THE JAW PORTIONS TOWARD EACH OTHER AND HOLDING THE RIB ENGAGED IN THE CHANNEL.