Guide ring for a door knob assembly

Details Guide ring for a door knob assembly Guide ring for a door knob assembly

1993-05-10

1995-05-02

Kannan, Philip C.

Closure fasteners

Knob rose plates

292DIG53, E05B 1502

Patent

active

054113032

ABSTRACT:
In a door knob assembly, a guide ring for a door fits within a rose member and provides a locator so the rose member is located exactly in the center of the round opening through the door, and provides additional strength to prevent movement of the door knob assembly in the door. The guide ring has guide tubes thereon that align with holes in the inside rose member. The guide tubes ensure that attachment screws to be threadably received in tapped holes in posts of the outside rose member are inserted axially parallel to both the axis of rotation of the door knob assembly and the posts. The guide ring ensures that the screws line up with tapped holes in posts of the outside rose member and do not float or drift out of such alignment.

REFERENCES:
patent: 3716261 (1973-02-01), Gerlach
patent: 5118152 (1992-06-01), Lin
patent: 5190327 (1993-03-01), Lin

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