Machine element or mechanism – Control lever and linkage systems – Hand operated
Reexamination Certificate
2007-10-02
2007-10-02
Johnson, Vicky A. (Department: 3682)
Machine element or mechanism
Control lever and linkage systems
Hand operated
Reexamination Certificate
active
10765168
ABSTRACT:
A spring loaded device assembly includes a spring loaded device for use with hydraulic systems, the spring loaded device including: a spring mechanism disposed in an outer tubular member; an inner tubular member movably disposed in one end of the outer tubular member; an adjustment rod movably disposed in the inner tubular member; a clevis attached to a distal end of the adjustment rod for attachment to a hydraulic system; and a rigid mounting member having two ends, a first end being attached to another end of the outer tubular member, and a second end being attached to the hydraulic system to prevent swivel of the spring loaded device.
REFERENCES:
patent: 1200199 (1916-10-01), Johnson
patent: 2186653 (1940-01-01), Penote
patent: 3096663 (1963-07-01), Sink
patent: 3898891 (1975-08-01), Colloton
patent: 4059025 (1977-11-01), Waack et al.
patent: 4117809 (1978-10-01), Kittler
patent: 4223564 (1980-09-01), Fawcett
patent: 4911312 (1990-03-01), Jeruzal
patent: 5191866 (1993-03-01), Tosdale
“Hydroback (A Unique Self-Centering Mechanism For Push-Pull Control Cables0”, Cablecraft Division, Tuthill Corporation, Tacoma, Washington.
Akerman & Senterfitt
Edwards, Esq Jean C.
Johnson Vicky A.
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