Small diameter tube bender

Claim 1

A DEVICE FOR BENDING HOLLOW TUBES UP TO APPROXIMATELY 5/8 INCH O.D. COMPRISING: (A) A BODY HAVING ONE END BENT AT APPROXIMATELY 90* RELATIVE TO THE BODY, (B) SAID BODY HAVING A SLOT THEREIN SPACED FROM SAID BENT END AND EXTENDING ALONG THE LONGITUDINAL AXIS OF SAID BODY, SAID SLOT HAVING A CURVED SURFACE AT EACH END AND SPACED PARALLEL SIDE SURFACES JOINED AT EACH END TO SAID CURVED SURFACES, (C) A WHEEL HAVING AN ANNULAR GROOVE IN THE CIRCUMFERENCE THEREOF FOR RECEIVING THE TUBE TO BE BENT, (D) WHEEL MOUNTING MEANS HAVING A PORTION EXTENDING THROUGH SAID SLOT AND ENGAGED WITH SAID WHEEL FOR MOUNTING IT ADJACENT SAID BENT END, SAID WHEEL MOUNTING MEANS HAVING AN ENLARGED END FOR ABUTTING SAID BODY TO POSITION SAID WHEEL THEREON, (E) SAID PORTION OF SAID WHEEL MOUNTING MEANS EXTENDING THROUGH SAID SLOT BEING SMALLER IN DIAMETER THAN THE WIDTH OF SAID SLOT BETWEEN SAID PARALLEL SIDE SURFACES AND BEING SMALLER IN DIAMETER THAN THE LONGITUDINAL EXTENT OF SAID SLOT BETWEEN SAID END CURVED SURFACES WHEREBY SAID WHEEL MAY ROTATE RELATIVE TO SAID BODY AND MAY MOVE TOWARD AND AWAY FROM SAID BENT END ON SAID BODY, (F) AN ADDITIONAL BODY MEMBER, (G) MEANS PIVOTALLY MOUNTING SAID ADDITIONAL BODY MEMBER ON SAID BODY, AND (H) SAID ADDITIONAL BODY MEMBER HAVING AN ARCUATE EDGE FOR ENGAGING SAID ENLARGED END OF SAID WHEEL MOUNTING MEANS WHEREBY MOVEMENT OF SAID ADDITIONAL BODY MEMBER RELATIVE TO SAID BODY FORCES SAID WHEEL TOWARD AND AWAY FROM SAID BENT END.

Claim 2

A DEVICE FOR BENDING HOLLOW TUBES UP TO APPROXIMATELY 5/8 INCH O.D. COMPRISING: (A) A BODY HAVING ONE END BENT AT APPROXIMATELY 90* RELATIVE TO THE BODY, (B) SAID BODY HAVING A SLOT THEREIN SPACED FROM SAID BENT END AND EXTENDING ALONG THE LONGITUDINAL AXIS OF SAID BODY, SAID SLOT HAVING A CURVED SURFACE AT EACH END AND SPACED PARALLEL SIDE SURFACES JOINED AT EACH END TO SAID CURVED SURFACES, (C) A WHEEL HAVING AN ANNULAR GROOVE IN THE CIRCUMFERENCE THEREOF FOR RECEIVING THE TUBE TO BE BENT, (D) WHEEL MOUNTING MEANS HAVING A PORTION EXTENDING THROUGH SAID SLOT AND ENGAGED WITH SAID WHEEL FOR MOUNTING IT ADJACENT SAID BENT END, SAID WHEEL MOUNTING MEANS HAVING AN ENLARGED END FOR ABUTTING SAID BODY TO POSITION SAID WHEEL THEREON, (E) SAID PORTION OF SAID WHEEL MOUNTING MEANS EXTENDING THROUGH SAID SLOT BEING SMALLER IN DIAMETER THAN THE WIDTH OF SAID SLOT BETWEEN SAID PARALLEL SIDE SURFACES AND BEING SMALLER IN DIAMETER THAN THE LONGITUDINAL EXTENT OF SAID SLOT BETWEEN SAID END CURVED SURFACES WHEREBY SAID WHEEL MAY ROTATE RELATIVE TO SAID BODY AND MAY MOVE TOWARD AND AWAY FROM SAID BENT END ON SAID BODY, (F) AN ADDITIONAL BODY MEMBER, (G) MEANS PIVOTALLY MOUNTING SAID ADDITIONAL BODY MEMBER ON SAID BODY, AND (H) SAID ADDITIONAL BODY MEMBER HAVING AN ARCUATE EDGE FOR ENGAGING SAID ENLARGED END OF SAID WHEEL MOUNTING MEANS WHEREBY MOVEMENT OF SAID ADDITIONAL BODY MEMBER RELATIVE TO SAID BODY FORCES SAID WHEEL TOWARD AND AWAY FROM SAID BENT END.