Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1991-03-04
1992-11-24
Burr, Edgar S.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
4001571, 310317, 310323, 310328, B41J 2295, H01L 4108
Patent
active
051658097
ABSTRACT:
An actuator for operating a desired driven member, including a laminar transverse-effect type piezoelectric driver having laminated piezoelectric elements which are displaced upon application of a voltage thereto in the direction of lamination. The actuator has a frame for supporting the piezoelectric driver at one of opposite ends thereof in a direction of displacement perpendicular to the direction of lamination. A transmission mechanism is disposed at the other end of the driver, for transmitting a displacement of the driver to the driven member. A longitudinal-effect type piezoelectric driver whose displacement in the direction of lamination is used to drive the driven member may be used in place of the transverse-effect type, together with an elastic member provided to bias the driven member when the driven member is moved to the operated position.
REFERENCES:
patent: 4633120 (1986-12-01), Sato et al.
patent: 4644213 (1987-02-01), Shibuya
patent: 4647808 (1987-03-01), Shibuya
patent: 4874978 (1989-10-01), Sakaida
Deguchi Masaaki
Suzuki Masahiko
Suzuki Masashi
Suzuki Yoshihumi
Takahashi Yoshikazu
Brother Kogyo Kabushiki Kaisha
Burr Edgar S.
Raciti Eric
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