Patent ID: 6290332
Filing Date: 2001-09-18
Classification: B41J

Abstract:
An improved reciprocating carriage apparatus for releasably retaining a plurality of an ink jet print heads, wherein the carriage assembly has a plurality of pen sockets formed in staggered formation on a side of the carriage, the improvement comprising:a backing spring disposed in a cavity of a pen socket to create a y-direction force;a plate member disposed on top of the backing spring, wherein the plate member has four pins extending outward slidingly engaged in a set of channels formed in the pen socket;a rubber pad in contact with the plate member;a flex circuit having a hook aperture and at least two post apertures formed in one end disposed on top of the plate member;a side bias spring disposed to create an x-direction force;a top spring disposed to create a negative z-direction force; anda multifaceted datum formed on a portion of the pen socket for receiving the x-direction force, the y-direction force, and the z-direction forces.