Trigger sprayer

Details Trigger sprayer Trigger sprayer

1994-12-01

1997-02-18

Kaufman, Joseph

Dispensing

With lock or fastening seal

Inhibiting operation of flow controller or closure

222207, 222209, 2223831, 2224815, B67D 532

Patent

active

056034342

ABSTRACT:
A trigger sprayer has a housing with an integral front component including an orifice plate to which is hinged by "living" hinges a sealing door for the orifice and a trigger lever. It includes an integral fastener on the plate for securing it to the housing. In one embodiment a vent passage is closed off by the same sealing door. In other embodiments the vent is operated by a leg integral with the trigger lever.

REFERENCES:
patent: D256271 (1980-08-01), Tada
patent: 3726442 (1973-04-01), Davidson et al.
patent: 3897006 (1975-07-01), Tada
patent: 3973700 (1976-08-01), Schmidt et al.
patent: 3986644 (1976-10-01), Grogan et al.
patent: 4101057 (1978-07-01), LoMaglio
patent: 4138038 (1979-02-01), Grogan
patent: 4155487 (1979-05-01), Blake
patent: 4204614 (1980-05-01), Reeve
patent: 4230277 (1980-10-01), Tada
patent: 4958754 (1990-09-01), Dennis
patent: 5158233 (1992-10-01), Foster et al.
patent: 5294025 (1994-03-01), Foster
patent: 5303867 (1994-04-01), Peterson

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