Chain tension-imparting device

Details Chain tension-imparting device Chain tension-imparting device

2006-05-02

2006-05-02

Charles, Marcus (Department: 3682)

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Load responsive tension adjuster or shifter

C474S110000

Reexamination Certificate

active

07037228

ABSTRACT:
A chain tension-imparting device100comprises: a plunger120, which retractably protrudes toward a traveling chain; a housing body110in which a plunger sliding hole111was formed; a protrusion biasing spring130, which biases the plunger120; a cam-receiving ring140, which is displaced in an opening front end side diameter-increased concave portion111ain the plunger sliding hole111; a cam-receiving ring biasing spring150for biasing said the cam-receiving ring140in the protrusive direction of the plunger120; a pair of wedge-shaped cam chips160, 160, which slide on a sloped cam guide groove141formed on the cam-receiving ring140and engage with a plurality of racks121, 121engraved on the outer circumference of the plunger120; a cam-guiding ring170, for guide-controlling disengagement of the wedge-shaped cam chips160; and a seal plate180, which seals the opening front end side diameter-increased concave portion111a.

REFERENCES:
patent: 5913742 (1999-06-01), Nakamura et al.
patent: 6193623 (2001-02-01), Koch et al.
patent: 6383103 (2002-05-01), Fujimoto et al.
patent: 6592479 (2003-07-01), Nakakubo et al.
patent: 6767302 (2004-07-01), Seungpyo
patent: 6808466 (2004-10-01), Yoshida et al.
patent: 6852049 (2005-02-01), Markley et al.
patent: 6866601 (2005-03-01), Saitoh et al.
patent: 2002/0025869 (2002-02-01), Serkh
patent: 2003/0186764 (2003-10-01), Yoshida
patent: 2004/0029664 (2004-02-01), Yoshida et al.
patent: 2004/0029665 (2004-02-01), Tsubakimoto
patent: 2004/0127316 (2004-07-01), Tsubakimoto
patent: 0915268 (1999-05-01), None
patent: 1323948 (2003-07-01), None
patent: 2002039295 (2002-02-01), None
patent: WO 00/32903 (2000-06-01), None
British Search Rep, filed. Nov. 28, 2003, entire document.
EPO Search Report, filed Nov. 28, 2003, entire document.

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