Patent ID: 6870745

Claim:
A printed-board holding device for holding a printed board in a work system in which the printed board and a working head are moved relative to each other in a direction parallel with a top surface of the printed board so that the working head executes a desired operation in each of a plurality of predetermined portions of the top surface of the printed board, said printed-board holding device comprising: a supporting member which is to be brought into contact with a central portion of a bottom surface of the printed board and is capable of supporting the central portion; and a pressing member which is to be brought into contact with a central portion of the top surface and is capable of forcing the printed board toward said supporting member, wherein said supporting member and said pressing member are brought into contact with the central portions of the respective bottom and top surfaces prior to execution of the operation by the working head, and are held in contact with the central portions of the respective bottom and top surfaces during the execution of the operation for the plurality of predetermined portions of the top surface of the printed board.