B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
101/96.01
B41J 25/00 (2006.01)
Patent
CA 1220080
VIBRATION ISOLATING COUPLING Abstract A vibration isolating coupling ideally suited for coupling the bobbin (31) of a linear actuator (23) to a flexure supported printer carriage (11) is disclosed. The two main sources of vibration in a system that includes a flexure (13, 15) supported carriage coupled to a linear actuator (23) are low- frequency vibration resulting from the pivot arc motion of the flexures (13, 15), and high frequency vibration resulting from the change in bobbin shape occurs asAC energy is applied to the bobbin (31). The first source of vibration is reduced by configuring the interface plane between the linear actuator and the flexure supported carriage such that contact occurs at spaced apart points located on either side of the flexure movement plane. Preferably, four contact points equally spaced from the flexure motion plane are used. The region between the contact points and the flexure motion plane is cut out so that no contact occursin and on either side of the flexure motion plane. It is the absence of contact that reduces the first source of vibration. The second source of vibration is reduced by mounting a damping plate (61), preferably comprising a layer of viscoelastic material sandwiched between two layers of steel or some other rigidmaterial, at the interface plane between the linear actuator (23) and the flexure supported carriage (11).
464580
Mannesmann Tally Corporation
Smart & Biggar
LandOfFree
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