Locks – Portable – Padlocks
Reexamination Certificate
2011-03-29
2011-03-29
Barrett, Suzanne D (Department: 3673)
Locks
Portable
Padlocks
C070S312000, C070S315000, C070S250000
Reexamination Certificate
active
07913525
ABSTRACT:
A padlock includes a housing, a shackle having a pivoting portion pivotally passing through a first top hole of the housing into an accommodation chamber of the housing and a locking end passing through a second top hole of the housing, a retaining device disposed in the accommodation chamber and having at least two driving wheels for controlling an axial movement of the pivoting portion of the shackle, and at least two pointers located above a dial of the housing and respectively driven by the driving wheels to point to one of figures of the dial. When both of the pointers point to correct figures, the pivoting portion of the shackle is axially moveable relative to the housing under the control of the driving wheels, such that locking end of the shackle is moveable away from the second top hole of the housing to unlock the padlock.
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patent: 2008/0173049 (2008-07-01), Burmesch et al.
Barrett Suzanne D
Browdy and Neimark PLLC
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