Patent ID: 7640671

Claim:
A measuring compass comprising: a compass head having a lower end formed with a recess and an upper end formed with external threads; a marking leg having an upper end fitted in said recess and pivotally connected with said lower end of said compass head, said marking leg having a recess for receiving pencil leads and a covering plate engaged with said recess of said marking leg, said upper end of said marking leg being provided with a plurality of teeth, said marking leg having a lower end engaged with a gripping plate between which is fitted a pencil lead; a pegging leg having an upper end fitted in said recess and pivotally connected with said lower end of said compass head, said pegging leg having a recess for receiving pencil leads and a covering plate engaged with said recess of said pegging leg, said upper end of said pegging leg being provided with a plurality of teeth rotatably engaged with said teeth of said marking leg, said pegging leg having a lower end engaged with a gripping plate between which is fitted a positioning peg; a handle having an interior formed with a cavity for receiving pencil leads and an open bottom, said open bottom having internal threads engageable with said external threads of said compass head; and a protective cover adapted to enclose said lower ends of said marking and pegging legs.