| 摘要 |
PROBLEM TO BE SOLVED: To provide a door knob easily replaceable by a housewife in a general home. SOLUTION: This replaceable door knob is composed of a plate having a door knob composed of a head part and a neck part and a latch part box installed in a predetermined place of a door, and a latch rotary shaft member joined and fixed to the latch part box. The neck part is composed of a soft button, a neck part hole part, a pin pushing-down means of an upper part and a lower part extended up to a predetermined position of the neck part hole part from the inside of the soft button, an empty chamber part for receiving the latch rotary shaft member, and a pin guide groove arranged on the existing side of the latch rotary shaft member. The latch rotary shaft member is composed of a protective plate member having a latch rotary shaft and an indicating line, a cavity part, a knob fastening pin member installed in an upper part and a lower part of the cavity part, an elastic member arranged between the upper part and the knob fastening pin means of the lower part, and a knob fastening pin pressing-down plate member arranged so as to contact with the knob fastening pin means. COPYRIGHT: (C)2005,JPO&NCIPI
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