Drill attachment for vehicles

Claim 1

A DRILL ATTACHMENT FOR VEHICLES COMPRISING A SUPPORT FRAME, A GUIDE PIVOTALLY MOUNTED ON SAID SUPPORT FRAME FOR ROTATION ABOUT A GENERALLY HORIZONTALLY DISPOSED AXIS, AN ELONGATED UPRIGHT DROP MEMBER SUPPORTED FROM SAID GUIDE FOR LONGITUDINAL RECIPROCATION, THE LOWER END OF SAID DROP MEMBER INCLUDING MEANS DEFINING A DOWNWARDLY OPENING RECESS, MOVABLE PLUNGER MEANS DISPOSED IN SAID RECESS FOR EJECTING DIRT PLUGS FORCED THEREINTO FROM THE LOWER END THEREOF, MEANS FOR RAISING AND LOWERING SAID DROP MEMBER RELATIVE TO SAID GUIDE, COACTING MEANS CARRIED BY SAID GUIDE AND SUPPORT FRAME AND ACTUATED BY SAID DROP MEMBER FOR PIVOTING SAID GUIDE ABOUT ITS AXIS OF ROTATION IN RESPONSE TO THE RAISING OF SAID DROP MEMBER ABOVE A PREDETERMINED POINT RELATIVE TO SAID GUIDE, SAID GUIDE COMPRISING AN UPSTANDING TUBE MEMBER IN AT LEAST THE LOWER END PORTION OF WHICH SAID DROP MEMBER IS TELESCOPINGLY RECEIVED, SAID COACTING MEANS INCLUDING ARM MEANS PIVOTALLY SECURED TO SAID FRAME AT ONE END FOR ROTATION ABOUT AN AXIS GENERALLY PARALLELING THE AXIS OF ROTATION OF SAID GUIDE AND PIVOTALLY AND SLIDABLY SECURED TO SAID GUIDE AT THE OTHER END FOR MOVEMENT ABOUT AN AXIS GENERALLY PARALLELING THE AXIS OF ROTATION OF SAID GUIDE AND LIMITED MOVEMENT LONGITUDINALLY ALONG SAID GUIDE AND ABUTMENT MEANS CARRIED BY SAID OTHER END OF SAID ARM MEANS AND ENGAGEABLE BY SAID DROP MEMBER FOR RAISING SAID OTHER END OF SAID ARM MEANS IN RESPONSE TO RAISING OF SAID DROP MEMBER ABOVE SAID PREDETERMINED POINT