Wrench for crankcase drain plugs

Claim 1

A WRENCH COMPRISING: (A) A TUBULAR BODY MEMBER, (B) A SPINDLE CARRIED ROTATABLY AND COAXIALLY IN SAID BODY MEMBER AND EXTENDING OUTWARDLY THEREFROM, SAID SPINDLE BEING LONGITUDINALLY MOVABLE IN SAID BODY MEMBER TO A LIMITED DEGREE AND BEING PROVIDED EXTERNALLY OF SAID BODY MEMBER WITH A PERIPHERAL FLANGE, (C) A PLURALITY OF PINS FIXED IN SAID FLANGE ECCENTRICALLY TO SAID SPINDLE AND EXTENDING TOWARD SAID BODY MEMBER IN A DIRECTION PARALLEL TO SAID SPINDLE, SAID PINS TERMINATING SHORT OF SAID BODY MEMBER WHEN SAID SPINDLE IS MOVED TO THE OUTER LIMIT OF ITS LONGITUDINAL MOVEMENT, THE WALL OF SAID BODY MEMBER CONFRONTING SAID FLANGE BEING PROVIDED WITH HOLES CAPABLE OF BEING ALIGNED WITH SAID PINS AND TO RECEIVE SAID PINS WHEN SAID SPINDLE IS MOVED LONGITUDINALLY INWARDLY WITH RESPECT TO SAID BODY MEMBER, WHEREBY SAID SPINDLE SAID BODY MEMBER ARE LOCKED AGAINST RELATIVE ROTATION, (D) A SPRING BIASING SAID SPINDLE LONGITUDINALLY OUTWARDLY, (E) A WORK ENGAGING MEMBER OUTED ON THE EXTENDED END OF SAID SPINDLE AND OPERABLE BY ROTATION THEREOF, (F) AN ELONGATED HANDLE AFFIXED AT ONE END TO SAID BODY MEMBER AND EXTENDING THEREFROM ANGULARLY TO THE AXIS OF SAID SPINDLE, AND (G) OPERATING MEANS CARRIED BY SAID BODY MEMBER AND HANDLE AND OPERABLE FROM THE DISTAL END OF SAID HANDLE TO ROTATE SAID SPINDLE WITHOUT MOVEMENT OF SAID HANDLE OR BODY MEMBER.