Knob lock mechanism with slot

Joints and connections – Including ancillary means blocking disconnection of joint

Reexamination Certificate

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Reexamination Certificate

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07101109

ABSTRACT:
A stand knob lock is employed to connect a stand plate and a neck frame of an LCD monitor. The stand plate has an opening and two holders. It also includes two ribs and two pins around the opening. The stand knob includes a shaft and two flanges on one side and an “I”-type notch in the opposite side. The shaft of the stand knob is led through the opening of the stand plate and rotated clockwise such that two flanges are secured between the pins and the ribs. The shaft can fit into the slot of the neck frame to connect the stand plate and the neck frame.

REFERENCES:
patent: 3564984 (1971-02-01), Alexander
patent: 4186902 (1980-02-01), Simons
patent: 5588625 (1996-12-01), Beak
patent: 6004065 (1999-12-01), Higdon et al.
patent: 6024336 (2000-02-01), Lin et al.
patent: 6189850 (2001-02-01), Liao et al.
patent: 6378830 (2002-04-01), Lu
patent: 6587333 (2003-07-01), Tseng et al.
patent: 6669156 (2003-12-01), East et al.
patent: 2002/0071243 (2002-06-01), Krispin
patent: 2004/0056161 (2004-03-01), Ishizaki et al.

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