초록 ▼

A fluid dispenser for use with a source of fluid having a flexible, valveless dispensing tube includes a base unit for support of the fluid source and a closure member normally closing off the end of the tube. The dispenser carries a cam and spring assembly which, upon the application of the hand pr

A fluid dispenser for use with a source of fluid having a flexible, valveless dispensing tube includes a base unit for support of the fluid source and a closure member normally closing off the end of the tube. The dispenser carries a cam and spring assembly which, upon the application of the hand pressure, moves a roller into engagement with the tube and moves the closure member out of engagement with the tube to open the end thereof and permit the fluid to be ejected therefrom.

대표청구항 ▼

A fluid dispenser for use with a source of fluid having a flexible valveless dispensing tube having an open end, comprising: (A) a base unit for reception of the source of fluid; (B) external closure means for normally engaging and closing off the open end of the tube; (C) said closure means includi

A fluid dispenser for use with a source of fluid having a flexible valveless dispensing tube having an open end, comprising: (A) a base unit for reception of the source of fluid; (B) external closure means for normally engaging and closing off the open end of the tube; (C) said closure means including cam means pivotally carried by said base unit; (D) a roller assembly engagable with said cam means and being movable into and out of collapsing and dispensing engagement with the tube; (E) means for moving said roller assembly along said cam means and along the tube toward the open end thereof; (F) said roller assembly cooperating with said cam means for release of said closure means during at least a portion of the time said roller assembly moves along the tube; and (G) said roller assembly disengaging said cam means and permitting return of said closure means to its normal position prior to disengagement with the tube.