Tamper-resistant flow modifier assembly

A tamper resistant aerating/laminarizing assembly includes a slotted, annular retainer piece that threads into the faucet spout or a separate spout extension so that it is recessed back from the opening and thereby hidden and difficult to operate without a special key that fits through the opening t...

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Main Author Fleischmann, Gary A
Format Patent
LanguageEnglish
Published 06.12.2005
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Abstract A tamper resistant aerating/laminarizing assembly includes a slotted, annular retainer piece that threads into the faucet spout or a separate spout extension so that it is recessed back from the opening and thereby hidden and difficult to operate without a special key that fits through the opening to engage the slots. The retainer supports a cartridge, containing flow modifying elements, from its downstream side, rather than from above, so that it is located almost entirely to one side of the cartridge and does not add to the overall diameter of the cartridge.
AbstractList A tamper resistant aerating/laminarizing assembly includes a slotted, annular retainer piece that threads into the faucet spout or a separate spout extension so that it is recessed back from the opening and thereby hidden and difficult to operate without a special key that fits through the opening to engage the slots. The retainer supports a cartridge, containing flow modifying elements, from its downstream side, rather than from above, so that it is located almost entirely to one side of the cartridge and does not add to the overall diameter of the cartridge.
Author Fleischmann, Gary A
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References Steingass (4944460) 19900700
Parkison et al. (3851825) 19741200
Shames et al. (4221338) 19800900
Aghnides (3554451) 19710100
Ruhnke (4789103) 19881200
McLean et al. (3014667) 19611200
Luedke et al. (5795475) 19980800
Olson (6367708) 20020400
Aghnides (3633824) 19720100
Barhydt, Sr. (5114072) 19920500
Aghnides (4534514) 19850800
Applicant's Exhibit D-NEOPERL, Inc.; Waterbury, CT; product information; admitted prior art.
Goodrie (2986341) 19610500
Chao (5071071) 19911200
Aghnides (4534513) 19850800
Bosio (5467929) 19951100
Wildfang (4470546) 19840900
Kaylor (5330105) 19940700
Jariyasunant (5242119) 19930900
Applicant's Exhibit C-NEOPERL, Inc.; Waterbury, CT; product information; dated 12/01.
Applicant's Exhibit A-NEOPERL, Inc.; Waterbury, CT; product information; dated 12/01.
Applicant's Exhibit B-NEOPERL, Inc.; Waterbury, CT; product information; dated 12/01.
Freier et al. (5201468) 19930400
Griffin et al. (6513731) 20030200
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