Machine element or mechanism – Control lever and linkage systems – Elements
Reexamination Certificate
2009-05-28
2010-10-26
Avila, Stephen (Department: 3617)
Machine element or mechanism
Control lever and linkage systems
Elements
C114S154000
Reexamination Certificate
active
07819039
ABSTRACT:
Disclosed herein is a steering apparatus of a small ship such as a motorboat, which prevents abrasion and noise caused by a gap between a rotary cover and a rotary plate and maximizes steering handle rotation prevention effect. The steering apparatus includes a cylindrical fixed frame; the rotary plate rotatably set inside the fixed frame; a plurality of mounts arranged on the rotary plate and having rolling elements and elastic elements mounted thereon; the elastic elements mounted on the mounts and applying elasticity to the rolling elements to press the rolling elements against the inner face of the fixed frame; the rotary cover including a movable part having movable pieces capable of pressing the rolling elements when a steering shaft is operated and covering the top of the rotary plate to prevent the rolling elements and the elastic elements from being separated from the mounts; the steering shaft penetrating the fixed frame, the rotary plate and the rotary cover; and elastic pads respectively attached to portions of the movable pieces, which come into contact with the rolling elements, to eliminate a gap between each movable piece and each rolling element.
REFERENCES:
patent: 4273209 (1981-06-01), Orain
patent: 5413535 (1995-05-01), Reik
patent: 5419585 (1995-05-01), Breed et al.
patent: 6250334 (2001-06-01), Abraham et al.
patent: 2002/0023517 (2002-02-01), Ochiai et al.
patent: 2008/0236328 (2008-10-01), Ai et al.
Avila Stephen
Lowe Hauptman & Ham & Berner, LLP
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