Handle structure for pressure-regulator and gauge for gas cylinders

Claim 1

A HANDLE STRUCTURE FOR CONTAINING A PRESSURE-REGULATOR AND A PRESSURE GAUGE COMPRISING: (A) AN ELONGATED BODY MEMBER HAVING A FRONT END, A REAR END, AN UPPER PORTION AND A LOWER PORTION, (B) SAID BODY MEMBER HAVING A TRANSVERSE SUBSTANTIALLY OVOID CROSS SECTION, SAID UPPER PORTION BEING NARROWER THAN SAID LOWER PORTION, TO ADAPT SAID BODY MEMBER TO BE COMFORTABLY GRIPPED BY AN ADULT, HUMAN HAND, (C) A FLUID INPUT CHAMBER IN SAID LOWER PORTION ADJACENT SAID REAR END, (D) A FLUID OUTPUT CHAMBER IN SAID LOWER PORTION ADJACENT SAID REAR END, (E) VALVE MEANS IN SAID LOWER PORTION COMMUNICATING SAID INPUT CHAMBER WITH SAID OUTPUT CHAMBER, (F) PRESSURE-REGULATING MEANS IN SAID LOWER PORTION FOR CONTROLLING SAID VALVE MEANS TO OPEN AND CLOSE COMMUNICATION BETWEEN SAID INPUT CHAMBER AND SAID OUTPUT CHAMBER, (G) A PRESSURE CHAMBER IN SAID UPPER PORTION HAVING A LONGITUDINAL AXIS PARALLEL TO THE LONGITUDINAL AXIS OF SAID BODY, (H) A FLUID PASSAGE BETWEEN SAID INPUT CHAMBER AND SAID PRESSURE CHAMBER, (I) A RECESSED WINDOW IN SAID UPPER PORTION, (J) MEANS IN SAID UPPER PORTION VISIBLE THROUGH SAID WINDOW FOR INDICATING THE PRESSURE IN SAID PRESSURE CHAMBER, (K) AN INLET IN SAID FRONT END COMMUNICATING WITH SAID INPUT CHAMBER, AND (L) AN OUTLET IN SAID REAR END COMMUNICATING WITH SAID OUTPUT CHAMBER, AND EXTENDING UPWARDLY AND REARWARDLY FROM SAID BODY MEMBER AT AN ACUTE ANGLE WITH THE LONGITUDINAL AXIS OF SAID BODY MEMBER.