Machine element or mechanism – Gearing – Teeth
Patent
1998-07-14
2000-07-04
Bucci, David A.
Machine element or mechanism
Gearing
Teeth
74 8915, 744248R, 384 45, 384 49, 384 51, F16H 5517, F16C 2906
Patent
active
060822104
ABSTRACT:
A ball connecting body in which a multiplicity of balls are arranged in a line at a predetermined interval and in a freely rotating manner. The ball connecting body is installed and used in a ball endless track of a ball screw apparatus in which a screw shaft and a nut member are meshed with each other through a multiplicity of balls. The ball connecting body is constituted by a multiplicity of balls circulating on a substantially circular ring-like ball endless track provided in a bearing apparatus, and a flexible connecting body belt arranging the balls in a line at a predetermined interval and holding each of the balls in a freely rotating manner. Further, the connecting body belt is constituted by a plurality of spacer portions inserted between the mutually adjacent balls and having a spherical seat for bringing the balls into contact therewith formed, and a flange-like connecting band portion mutually connecting the spacer portions so as to outwardly surround the spacer portions, and is formed in a substantially circular ring shape at a time of arranging the balls.
REFERENCES:
patent: 4841796 (1989-06-01), Teramachi
patent: 5156462 (1992-10-01), Jacob et al.
patent: 5295407 (1994-03-01), Hirose et al.
patent: 5622082 (1997-04-01), Machelski
patent: 5755516 (1998-05-01), Teramachi et al.
Bucci David A.
Charles Marcus
THK Co. Ltd.
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