The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7552607 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 30, 2009

Filed:

Aug. 21, 2007
Applicant:

Yao-kun Yang, Chang Hua City, TW;

Inventor:

Yao-Kun Yang, Chang Hua City, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05B 37/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dual padlock of the present invention includes a housing, a shackle, a locking device, a locking spring, a transmission device, a key lock assembly, a code lock assembly, and a button member. The shackle is openably provided on the housing. The locking device is received in the chamber of the housing and engaged with the shackle. The key lock assembly includes a key cylinder connected to the transmission device and the locking device. The button member is connected to a shaft of the code lock assembly and the lock device. Therefore, user may insert a key into the key lock assembly and turns to unlock the padlock. User also may input the right code to the code lock assembly that will unlock the pad lock too.


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