Foot-operated, hand-released parking brake

Claim 1

IN COMBINATION IN A FOOT-OPERATED HAND-RELEASED BRAKE MECHANISM, A FIXED ELONGATED SUPPORTING BRACKET HAVING A FRONT END AND A REAR END, A BRAKE OPERATING PEDAL PIVOTALLY MOUNTED ON SAID BRACKET IN PARALLEL RELATIONSHIP THERETO, A BRAKE CONNECTED RATCHET ALSO MOVABLE MOUNTED ON SAID BRACKET IN PARALLEL RELATIONSHIP THERETO AND CONNECTED WITH SAID PEDAL TO MOVE WITH IT IN THE APPLICATION OF THE BRAKE, A FLAT PAWL PIVOTALLY MOUNTED ON AND PARALLEL TO SAID BRACKET AND ENGAGING SAID RATCHET TO MAINTAIN THE BRAKE IN APPLIED POSITION, SPRING MEANS NORMALLY URGING SAID PAWL TOWARD LOCKING ENGAGEMENT WITH SAID RATCHET, SAID PAWL HAVING AN ELONGATED CAM SLOT PROVIDED THEREIN IN A LENGTHWISE DIRECTION WITH RESPECT TO SAID BRACKET, SAID BRACKET HAVING AN ELONGATED GUIDE SLOT PROVIDED THEREIN IN ACUTE ANGULAR INTERSECTING RELATIONSHIP TO THE SLOT IN SAID PAWL, A MANUALLY OPERABLE ROD SUPPORTED FOR ENDWISE RECIPROCATION FORE AND AFT RELATIVE TO SAID BRACKET SUBSTANTIALLY PARALLEL THERETO AND HAVING A CROSSPORTION EXTENDING THROUGH THE AFORESAID SLOTS SO AS TO BE GUIDED FOR STRAIGHT LINE MOVEMENT ENDWISE OF THE GUIDE SLOT WHILE MOVING ENDWISE ALSO OF THE CAM SLOT IN SAID PAWL TO DISENGAGE SAID PAWL FROM SAID RATCHET BY CAM ACTION IN ENDWISE MOVEMENT OF SAID ROD, SAID CAM SLOT HAVING A WIDENED END PERMITTING OSCILLATION OF SAID PAWL FOR LOCKING ENGAGEMENT WITH SAID RATCHET FREELY RELATIVE TO THE CROSS-PORTION OF SAID ROD ONLY IN ONE EXTREME POSITION OF THE ROD, AND SPRING MEANS NORMALLY URGING SAID MANUALLY OPERABLE ROD IN ONE DIRECTION TO LOCATE ITS CROSS-PORTION IN THAT END OF THE GUIDE SLOT CORRESPONDING TO THE WIDENED END OF SAID CAM SLOT.