Patent ID: 7668490

Claim:
A developing apparatus comprising: a developer carrying member, which carries a developer thereon; a developer supplying member provided in spaced apart relationship with said developer carrying member that supplies the developer to said developer carrying member; and an elastic member, which contacts said developer carrying member upstream of a closest position between said developer carrying member and said developer supplying member with respect to a surface movement direction of said developer carrying member, wherein a developer supplying portion is formed by being surrounded by said elastic member, said developer carrying member and said developer supplying member for supplying the developer from said developer supplying member to said developer carrying member, wherein said elastic member is provided with a first portion, which contacts said developer carrying member, and a second portion, which faces said developer supplying member and is higher in hardness than said first portion, wherein said elastic member is provided with a first member having said first portion, and a second member having said second portion, and said first member and said second member are joined together, wherein said first member and said second member are foamed members, and a hardness of said second member is higher than a hardness of said first member.