Pump dispenser and a method of assembling the pump dispenser

Details Pump dispenser and a method of assembling the pump dispenser Pump dispenser and a method of assembling the pump dispenser

1995-12-13

1998-01-13

Bomberg, Kenneth

Dispensing

With casing or support

Enclosing cover for actuating parts of discharging means

2223831, B67D 542

Patent

active

057069840

ABSTRACT:
A cover is laterally mounted on an inner assembly which is a unit including all structural elements except for the cover. The cover is fixed to the inner assembly at three portions. A fitting projection provided on the upper surface of a nozzle base is received in a fitting hole formed in the upper surface of the ceiling of the cover. A pair of opposed engaging pieces are formed on the lower surface of a cylinder and the upper surface of a valve assembly, respectively. An engaging piece engaging with a space between the opposed engaging pieces is formed on the lower end of the cover. A horizontal engaging groove is formed in the upper surface of the nozzle base behind the fitting projection on the nozzle base and a projection engageable with the engaging groove is formed on the inner surface of the ceiling of the cover.

REFERENCES:
patent: 3820721 (1974-06-01), Hellenkamp
patent: 4191313 (1980-03-01), Blake et al.
patent: 4241853 (1980-12-01), Pauls et al.
patent: 4257539 (1981-03-01), Cary et al.
patent: 4361256 (1982-11-01), Corsette
patent: 4911361 (1990-03-01), Tada
patent: 4921017 (1990-05-01), Tada
patent: 4940186 (1990-07-01), Tada
patent: 4953791 (1990-09-01), Tada
patent: 4958754 (1990-09-01), Dennis
patent: 5156304 (1992-10-01), Battegazzore
patent: 5366121 (1994-11-01), Foster et al.

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