Dishwasher for use in household, has outer rim engagement portion that is interrupted at outer end of spray arms such that opening portion moved into interrupted region is located at radial outermost edge of upper and lower casings

摘要

The dishwasher has a rinsing container in which to-be-cleaned vessel is held. Two rotatable spray arms (6,7) are rotated for rinsing the water and are provided with an upper casing (16) and a lower casing (17) adjoined over turned flanges (18,19) at a parting line (20). The flanges are secured by an outer rim engagement portion (21). The engagement portion is interrupted at radially outer end (22) of the spray arms such that an opening portion (23) moved into the interrupted region of engagement portion is located at radial outermost edge of the upper and lower casings.