IP Library Granted Patent US 8,578,523
Granted Patent B2
US 8,578,523 · App. 12/050,198 · Granted Nov 12, 2013

Vandal-proof floor sink strainer

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Quick Facts
Patent No.
US 8,578,523
App. No.
12/050,198
Granted
Nov 12, 2013
Kind
B2
Abstract

A floor sink strainer arrangement adapted to fasten to a receptacle body of a floor sink. The strainer arrangement includes a strainer having a body and defining a slot therein for receiving a fastener, and a fastener arrangement attached to the strainer. The strainer is adapted to be received within the receptacle body of the floor sink. The fastener arrangement includes a support base and a longitudinal extending member attached to the base and extending therefrom, wherein the base is adapted to be secured to a drain pipe when the strainer is received within the receptacle body of the floor sink.

Claims (14)

1. A floor sink strainer arrangement adapted to fasten to a receptacle body of a floor sink, the strainer arrangement comprising:

a strainer having a body and defining a slot that extends through the body, said strainer adapted to be received within the receptacle body of the floor sink; and

a fastener arrangement attached to said strainer, said fastener arrangement comprising a support base and a longitudinal extending member attached to said base and extending therefrom, wherein said base is adapted to be secured to a drain pipe when said strainer is received within the receptacle body of the floor sink, said extending member comprising a threaded fastener having a first end and a second end and a threaded member, said threaded member comprising a body and a flange extending radially outward from the body, said body of said threaded member defining an opening, said flange of said threaded member engaging the body of said strainer, said first end of said threaded fastener received by said opening of said threaded member, said body of said threaded member received within the slot of said body of said strainer, and

wherein said support base comprises an extended bar and an elongated nut centrally attached to said bar, said second end of said threaded fastener threadably attached to said nut, said support base adapted to be attached to an outlet end of the receptacle body of the floor sink.

2. The strainer arrangement as claimed in claim 1 , wherein said body of said strainer is disc-shaped.

3. The strainer arrangement as claimed in claim 1 , wherein said body of said strainer is dome-shaped.

4. A vandal-proof strainer assembly comprising:

a receptacle body of a floor sink, said receptacle body having an open first portion and a pipe receiving second portion, said first portion defining a cavity therein, said second portion having an inlet end and terminating at an outlet end, said second portion defining a passageway between said inlet end and said outlet end, wherein the cavity is in fluid communication with the passageway, said outlet end of said second portion of said receptacle body adapted to fasten to a drain pipe;

a strainer having a body and defining a slot therein, said strainer received within the cavity and positioned over said inlet end of said second portion of said receptacle body of said floor sink; and

a fastener arrangement attached to said strainer, said fastener arrangement comprising a support base and a longitudinal extending member attached to said base and extending therefrom, said fastener arrangement passing through the passageway of said second portion and said base secured to said receptacle body at said outlet end of said second portion of said receptacle body, wherein said extending member is received within the slot of said body of said strainer thereby securing said strainer to said receptacle body of said floor sink.

5. The strainer assembly as claimed in claim 4 , wherein said extending member comprises a threaded fastener having a first end and a second end, said first end of said threaded fastener received within the slot of said body of said strainer.

6. The strainer assembly as claimed in claim 5 , wherein said support base comprises an extended bar and an elongated nut centrally attached to said bar, said second end of said threaded fastener threadably attached to said nut.

7. The strainer assembly as claimed in claim 4 , wherein said body of said strainer is disc-shaped.

8. The strainer assembly as claimed in claim 4 , wherein said body of said strainer is dome-shaped.

Assignments (8)
NOTICE OF SUCCESSION OF AGENCY OF REEL/FRAME 066293/0879 Recorded Feb 20, 2026
From: UBS AG, STAMFORD BRANCH, AS PRIOR AGENT (F/K/A CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH)
To: JPMORGAN CHASE BANK, N.A., AS SUCCESSOR AGENT
Reel/Frame 074947/0479 →
NOTICE OF SUCCESSION OF AGENCY OF REEL/FRAME 057893/0121 Recorded Feb 20, 2026
From: UBS AG, STAMFORD BRANCH, AS PRIOR AGENT (F/K/A CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH)
To: JPMORGAN CHASE BANK, N.A., AS SUCCESSOR AGENT
Reel/Frame 074945/0935 →
CONVERSION Recorded Jan 16, 2024
From: ZURN INDUSTRIES, LLC
To: ZURN INDUSTRIES, LLC
Reel/Frame 066336/0603 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 16, 2024
From: ZURN INDUSTRIES, LLC
To: ZURN WATER, LLC
Reel/Frame 066337/0918 →
RELEASE OF INTELLECTUAL PROPERTY SECURITY INTEREST IN PATENTS AT REEL 057893, FRAME 0121 Recorded Dec 19, 2023
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT
To: ZURN INDUSTRIES, LLC (F/K/A ZURN INDUSTRIES, INC.)
Reel/Frame 066067/0937 →
PATENT SECURITY AGREEMENT Recorded Dec 18, 2023
From: ZURN WATER, LLC
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT
Reel/Frame 066293/0879 →
SECURITY INTEREST Recorded Oct 8, 2021
From: AMERICAN DRYER LLC; GREEN TURTLE AMERICAS LTD.; WORLD DRYER CORPORATION; ZURN PEX, INC.; ZURN INDUSTRIES, LLC
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT
Reel/Frame 057893/0121 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 23, 2008
From: EICHLER, BEN; WROBLEWSKI, DOUGLAS R.; TRIPODI, JOSEPH
To: ZURN INDUSTRIES, LLC
Reel/Frame 020841/0981 →