Hook shaft balance connection structure

Details Hook shaft balance connection structure Hook shaft balance connection structure

2007-09-05

2009-10-20

Lugo, Carlos (Department: 3673)

Closure fasteners

Miscellaneous

C292S137000, C292S163000, C292SDIG037, C292SDIG061

Reexamination Certificate

active

07604264

ABSTRACT:
A hook shaft balance connection structure includes an operating element, a balance rod, and a connecting part. The operating element moves into a shell along the direction of the imposed force. The operating element includes a protrusion toward the direction of the force. The balance rod includes two axial parts and an eccentric part. The axial parts are on both ends of the balance rod, pivotally connected with the shell. The axes of them are on the same extension line. The eccentric part is disposed between the two axial parts, deviating from the axial parts by a predetermined distance. Its axis is parallel to those of the two axial parts. The eccentric part includes a first eccentric part in contact with the protrusion of the operating element and a second eccentric part by the first eccentric part. The connecting part includes a pushing part and two coupling parts. The pushing part is connected with the second eccentric part. The two coupling parts are connected to both ends of the connecting part.

REFERENCES:
patent: 1857943 (1932-05-01), Dawicki, Jr.
patent: 6890008 (2005-05-01), Chuang et al.
patent: 7054149 (2006-05-01), Lev et al.
patent: 7216900 (2007-05-01), Liu et al.
patent: 7354080 (2008-04-01), Lee
patent: 2004/0189017 (2004-09-01), Chen et al.

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