Traffic lane directional marker

Claim 1

A ROADBED MARKER CONSISTING OF A BASE, A STANDARD AND A RETAINER REMOVOABLY SECURED UPON SAID BASE AND DETECHABLY CONNECTING SID STANDARD THERETO, SAID BASE INCLUDING A MEMBER HAVING AN UPPER SURFACE AND FURTHER HAVING A BOTTOM SURFACE ADAPTED TO LIE UPON AND BE DISPOSED FLUSH WITH A ROADBED TOP SURFACE, ANCHORING MEANS CONNECTED TO SAID BASE MEMBER AND BEING ADAPTED TO SECURE THE LATTER FIXEDLY TO SAID ROADBED, SAID RETAINER COMPRISING A COVER MEMBER CONSISTING OF AN INVERTED DISHSHAPED DISK OVERLYING SAID BASE MEMBER AND HAVING AN OPENING THERETHROUGH SLIDABLY RECEIVING SAID STANDARD, THE LOWER END OF SAID STANDARD BEING LATERALLY ENLARGED, ENGAGED BY AND DISPOSED AND RETAINED BETWEEN SAID MEMBERS, FASTENING MEANS CARRIED BY ONE OF AND ENGAGING THE OTHER OF SAID COVER AND BASE MEMBERS AND DETACHABLY SECURING SAID MEMBERS TOGETHER AND CLAMPINGLY RETAINING SAID STANDARD LATERALLY ENLARGED END BETWEEN SAID MEMBERS AND UPON SAID BASE MEMBER UPPER SURFACE, SAID BASE MEMBER UPPER SURFACE HAVING A PLURALITY OF UPSTANDING TUBULAR INTERNALLY THREADED BOSSES, SAID COVER MEMBER AND SAID STANDARD LATERALLY ENLARGED LOWER END HAVING BORES OF SMALLER DIAMETER THAN BUT REGISTERING WITH SAID BOSSES FOR RECEPTION OF SAID FASTENING MEANS, SAID STANDARD LATERALLY ENLARGED LOWER END BEING COMPRESSIVELY CLAMPED BETWEEN THE TOP OF SAID BOSSES AND SAID COVER MEMBER.