Ink refill unit having a linearly actuated plunger assembly
First Claim
Patent Images
1. A dispensing assembly for a printing fluid refill cartridge, the dispensing assembly comprising:
- a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and
a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.
3 Assignments
0 Petitions
Accused Products
Abstract
A dispensing assembly for a printing fluid refill cartridge, the dispensing assembly comprising: a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.
19 Citations
20 Claims
-
1. A dispensing assembly for a printing fluid refill cartridge, the dispensing assembly comprising:
-
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and
a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
-
Specification