Patent ID: 7999976
Filing Date: 2011-08-16
Classification: H04N

Abstract:
1. An automatic sheet-feeding scanning apparatus having a movable guide rib device, said automatic sheet-feeding scanning apparatus including a flatbed scanner and an automatic document feeder, said movable guide rib device being mounted in a housing of said flatbed scanner and comprising: a guide rib structure for guiding a document transported by said automatic paper feeder to pass through said flatbed scanner, wherein said guide rib structure includes a linking bar; at least one hollow portion formed in said housing; a plurality of elastic members for facilitating said guide rib structure to move in said hollow portion upwardly or downwardly with respect to said housing; and a fixing plate coupled to said housing for fixing said elastic members thereon, wherein both ends of said linking bar are engaged with corresponding fastening recesses at bilateral sidewall of said housing, and said elastic members are arranged in the vicinity of said both ends of said linking bar and sustained against said fixing plate such that said guide rib structure is moved upwardly or downwardly with respect to said housing.