Patent ID: 8057100

Claim:
A roller holder for engaging between two moving members, said roller holder comprising: two longitudinal rods disposed parallel to each other, said rods each including an ear extended therefrom, a plurality of couplers disposed between said rods for coupling said rods together and for forming a plurality of compartments between said rods and said couplers, said ear of each said rod being extended into each compartment of said roller holder, a plurality of rolling members received in said compartments of said roller holder respectively, and two retaining devices disposed in each of said compartments of said roller holder and attached to said rods with said ears and disposed between said rods and facing toward each other for engaging with said rolling members and for retaining said rolling members in said compartments and between said rods and said couplers of said roller holder, and for retaining said rolling members between said retaining devices, and for preventing said retaining devices from being disposed between said rolling members and for preventing said retaining devices from being impacted by said rolling members.