Robert RayburnRobert Rayburn, 43 was dead on arrival Tuesday at Northwest Community Hospital, Arlington Heights, as the result of an accident between the mail truck in which he was driving and a car at the intersection of Walnut and Maple Streets in Arlington Heights.Arrangements were made by Haire Funeral Home in Arlington Heights for the funeral services and interment to be conducted by the Burley Carter Funeral Home in Duncan, Okla.Mr. Rayburn lived at 1006 Wheeling Road in Mount Prospect. He had been an employe for the Arlington Heights Post Office since May 1968. Prior to that he had been the manager of the Pure Oil Gas Station at Golf and Meacham Roads in Palatine.Surviving are his widow, Beatrice; two daughters, Linda and Mrs. Kay Fectau both of Mount Prospect; two grandchildren; three sisters and three brothers.