Patent ID: 7101213

Claim:
A connector, comprising: a first housing ( 1 ); a second housing ( 20 ) connectable with the first housing ( 1 ) and formed with an engaging portion ( 23 ); a resiliently deformable lock arm ( 12 ) provided on the first housing ( 1 ) and including a lock ( 13 ), the lock arm ( 12 ) being resiliently deformed at least at an intermediate stage of a connecting operation of the housings ( 1 , 20 ), the lock ( 13 ) contacting an edge ( 23 D) of the engaging portion ( 23 ) immediately before a proper connection of the housings ( 1 , 20 ), and the lock arm ( 12 ) restoring resiliently to engage the lock ( 13 ) and the engaging portion ( 23 ) and to lock the housings ( 1 , 20 ) in a properly locked state; and a resistance alleviating portion ( 13 C) on at least one of the lock ( 13 ) and an edge ( 23 D) of the engaging portion ( 23 ) that rub against each other immediately before the proper connection of the housings ( 1 , 20 ), the resistance alleviating portion ( 13 C) having an apex locally projecting towards a mating rubbed part ( 23 D).