Lock set with a quick changeability

Details Lock set with a quick changeability Lock set with a quick changeability

2006-10-17

2006-10-17

Glessner, Brian E. (Department: 3676)

Locks

Operating mechanism

Key

C070S372000, C070S367000, C070S370000, C070S371000, C070S493000

Reexamination Certificate

active

07121127

ABSTRACT:
A lock set with a quick changeability has a plug, a cylinder, a seat, a ring and a sliding cover. The plug is mounted in the cylinder and has multiple first holes in rows wherein multiple lower pins are inserted. The cylinder has a chamber radially defined therein wherein the plug is inserted, and a lug formed in a top end thereof. Multiple second holes in rows are respectively defined in the lug and multiple upper pins and springs are inserted into the second holes. Multiple openings in rows are respectively defined in a lower inner wall of the cylinder wherein upper pins and springs are inserted into the second holes. The sliding cover abuts the lower inner wall of the chamber and has multiple orifices in rows defined therein. Hence, it is easy for a user to change a corresponding key.

REFERENCES:
patent: 2977786 (1961-04-01), Kendrick et al.
patent: 4294092 (1981-10-01), Haggstrom
patent: 6810703 (2004-11-01), Huang et al.
patent: 6935146 (2005-08-01), Lin
patent: 6951123 (2005-10-01), Chong
patent: 2005/0072199 (2005-04-01), Edwards, Jr.

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