Patent ID: 8310515

Claim:
An exposure apparatus which is configured to expose an object, comprising: an exposure member which has a plurality of blinking sections and which is elongated in a predetermined longitudinal direction; a support frame which is configured to support the exposure member; a holder which is configured to support the support frame to be movable relative to the holder; and a pressing member which is provided between the holder and the support frame and which is configured to press the support frame in a direction away from the holder, wherein the holder is provided with a hook portion which is hooked to the support frame to support the support frame, the hook portion is formed as a plurality of hook portions, and the hook portions are arranged on the holder at a predetermined spacing distance in the longitudinal direction of the exposure member, the support frame is a plate-shaped member which is arranged along the longitudinal direction, the hook portions include pairs of arms and pairs of pawls respectively, arms of each of the pairs of arms being elastically deformable and arranged in the support frame such that the arms sandwich the support frame from both sides respectively, pawls of each of the pairs of pawls being formed in the arms, respectively, the pawls being bent toward the support frame from end portions of the arms respectively, holes or grooves are formed in the frame in which the pairs of pawls are engaged, respectively, and a gap is provided between each of the pairs of arms and the support frame in a state that the pairs of pawls are engaged in the holes or the grooves, respectively.