A young Hayward man held a bar full of patrons at bay for a half hour last night' before he was disarmed by customers,Ronald C. Meier, 22,- 692 Willow Ave„ Hayward, was booked. for brandishing a weapon and investigation of assault with* a deadly weapon after Lloyd Armstrong, 40, 10122 Madison .Ave,, Castro Valley,-xjumped -him. took away his shotgun. then knocked him down when he pulled a. knife.Meier enter the Say.When, 25940 Hesperian Blvd., at 7:3D,, apparently angered after an argument with his wife, ‘Nobody leaves. Drink and play the juke box, but nobody leaves,Meier said.The gunman seated himself against the wall'at a table, kept the gun trained on the bar, • and put four shells in front' of him.When Bartender Estel G, Hurt, 34, 3420 Tenaya Ave., Newark, brought Meier a'beer but drew the line at drinking one himself, Meier poked the muzzle*of the gun under Hurt’s nose and said, “Yes,-you will/1 Hurt hurriedly-poured himself a beer;When a new patron came to the door, Armstrong, who had been edging closer, saw his chance. He got the gun away and knocked Meier down when he drew a knife.Anothey custorem, Deputy Sheriff Harold D. - Rasmussen, hand-* cuffed the fallen Meier while other customers : held him down. Bartender Hurt signed a complaint this .morning.Elevator GivesBoy a LessonEddy Tucker, 7, 315 Eockaway