Displacement magnifying mechanism for a print element

Details Displacement magnifying mechanism for a print element Displacement magnifying mechanism for a print element

1990-07-10

1993-02-09

Crowder, Clifford D.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

4001571, 101 9305, B41J 226

Patent

active

051849011

ABSTRACT:
A displacement magnifying mechanism includes a base member and an electro actuator having a free ene and a base end connected to the base member, and having an actuator axis defined as passing through the free end and the base ene. The electro actuator has a rest state and an actuated state of extending and contracting along the actuator axis. The mechanism further includes an arm having first and second ends. A first resilient member has a first end connected to the free end of the electro actuator, and a second end connected to the second end of the arm. A second resilient member has a first end connected to the base member, and has a second end connected to the second end of the arm. The second resilient member is substantially parallel and substantially overlaps the first resilient member, and a distance between the first resilient member and second resilient member is less than a width of the electro actuator at a direction perpendicular to the actuator axis. The above mechanism allows the interval between the first and second resilient members to be narrowed without increasing the width, thus also improving the mounting efficiency and displacement magnifying efficiency.

REFERENCES:
patent: 4886382 (1989-12-01), Oota et al.
patent: 5005994 (1991-04-01), Yano

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