Bayonet fastening device for the attachment of an accessory to a multiple component cartridge or dispensing device

  • US 6,186,363 B1
  • Filed: 07/06/1999
  • Issued: 02/13/2001
  • Est. Priority Date: 03/13/1995
  • Status: Expired due to Term
First Claim
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1. A mixer for a cartridge, the cartridge having a plurality of chambers each having an outlet, the mixer comprising:

  • a housing;

    a mixer element disposed in said housing;

    a plurality of inlets for engagement with the outlets of the cartridge and mounted on said housing;

    a bayonet coupling on said housing for detachably connecting said mixer to the multichamber cartridge, said bayonet coupling having locked and unlocked positions;

    a coding element that permits said inlets of said housing to be aligned and connected to the outlets of the cartridge in only one orientation; and

    said coding element comprising each of said inlets being of different configuration from the other.

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