No person engaged in, conducting, managing or carrying on the business of pawnbroker, secondhand dealer, junk dealer or junk collector, or any agent or employee of any such person shall accept any pledge of or loan any money upon personal property, or purchase or receive any goods, wares or merchandise or any article or thing, or in any manner whatsoever engage in or conduct any such business between the hours of ten p.m. and seven a.m. of the following day. (Ord. 2065 § 2 (part), 1975).