Tamper-proof pop-up drain fitting

Details Tamper-proof pop-up drain fitting Tamper-proof pop-up drain fitting

1982-09-27

1984-05-15

Marcus, Stephen

Baths, closets, sinks, and spittoons

Strainer, stopper, plug or closure

220 86AT, 220284, A47K 114

Patent

active

044479182

ABSTRACT:
In a pop-up drain fitting threadedly secured to a spider at the lower end of the drain body, the improvement comprising a detent member pivotally joined to the lower end of the pop-up drain fitting. A stop member is disposed adjacent to the detent member to permit the detent member rotation in only one direction. The detent member depends downwardly by gravitational force to extend through the spider. Clockwise threading motion of the pop-up fitting into the drain body is permitted by the detent arm; counterclockwise rotation of the pop-up fitting causes the spider to impinge upon the detent arm and drive it into the stop member, thereby preventing removal of the pop-up fitting.

REFERENCES:
patent: 3849809 (1974-11-01), Morris et al.
patent: 4103372 (1978-08-01), Cuschera
patent: 4144599 (1979-03-01), Cuschera

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