Door frame profile gauge

Claim 1

PROFILE GAUGE MEANS FOR SETTING DOOR FRAMES HAVING A HORIZONTAL HEADER AND A PAIR OF PARALLEL SPACED VERTICAL JAMBS, COMPRISING A HORIZONTAL GAUG ARM ADAPTED FOR REMOVABLE CONNECTION IN CONTIGUOUS PARALLEL ENGAGEMENT WITH THE LOWER SURFACE OF THE DOOR FRAME HEADER; A VERTICAL GAUGE ARM PIVOTALLY CONNECTED AT ITS UPPER END WITH ONE END OF SAID HORIZONTAL GAUGE ARM FOR CONTIGUOUS PARALLEL ENGAGEMENT WITH THE INNER SURFACE OF ONE JAMB OF THE DOOR FRAME, AT LEAST ONE OF SAID GAUGE ARMS INCLUDING SPIRIT LEVEL MEANS; INDICATOR MEANS CONNECTED BETWEEN SAID GAUGE ARMS FOR INDICATING WHEN SAID ARMS ARE ARRANGED TO DEFINE AN ANGLE OF 90 DEGREES; HORIZONTAL ADJUSTABLE-LENGTH SPACER BAR MEANS ADAPTED FOR INSERTION BETWEEN SAID DOOR JAMBS, ONE END OF SAID SPACER BAR MEANS BEING SLIDABLY CONNECTED WITH SAID VERTICAL GAUGE ARM FOR VERTICAL SLIDING MOVEMENT RELATIVE THERETO, AND SAID SPACER BAR MEANS INCLUDINGG AT LEAST TWO COAXIALLY- ARRANGED LONGITUDINALLY-ADJUSTABLE SECTIONS; RELEASABLE MEANS CARRIED BY SAID ONE END OF SAID SPACER BAR MEANS FOR PREVENTING VERTICAL MOVEMENT OF SAID ONE SPACER BAR END RELATIVE TO SAID VERTICAL GAUGE ARM; MEANS FOR RELEASABLY CONNECTING THE ENDS OF SAID SPACER BAR MEANS WITH THE ASSOCIATED DOOR JAMBS, RESPECTIVELY, WHEREBY SAID VERTICAL GAUGE ARM IS RIGIDLY MAINTAINED IN ENGAGEMENT WITH SAID ONE DOOR JAMB; AND SCREW THREAD MEANS FOR EFFECTING ACCURATE LONGITUDINAL DISPLACEMENT OF SAID EFFECTING ACCURATE LONGIEITHER DIRECTION RELATIVE TO EACH OTHER, WHEREBY THE SPACING BETWEEN THE LOWER ENDS OF SAID DOOR JAMBS MAY BE ACCURATELY VARIED AND THE DESIRED RIGHTANGLED ARRANGEMENT OF SAID VERTICAL AND HORIZONTAL GAUGE ARMS MAY BE ACHIEVED.