Liquid material discharge device
AssigneeMusashi Engineering, Inc.
InventorKazumasa Ikushima
Life of this patent
Estimating the term…
Abstract
A liquid material discharge device includes: a valve stem having a valve element provided at a tip portion, and a contact portion; a liquid chamber in which the valve element moves forward and backward; a nozzle communicating with the liquid chamber; a valve seat having a hole via which the liquid chamber and the nozzle communicate with each other; an arm that is in separable contact with the valve stem; and a valve driving device configured to move the valve element forward to and backward from the valve seat by causing the arm to pivot. The liquid material discharge device further includes a coupling device that couples the valve stem with the arm, wherein the coupling device includes a pressing portion that presses the contact portion against the arm.
Claims23
A liquid material discharge device comprising:
- a valve stem having a valve element provided at a tip portion, and a contact portion;
- a liquid chamber in which the valve element moves forward and backward;
- a nozzle communicating with the liquid chamber;
- a valve seat having a hole via which the liquid chamber and the nozzle communicate with each other;
- an arm that is in separable contact with the valve stem;
- and
- a valve driving device configured to move the valve element forward to and backward from the valve seat by causing the arm to pivot;
- wherein the liquid material discharge device further comprising a coupling device that is attached and fixed to the arm, and couples the valve stem with the arm,
- wherein the coupling device includes a pressing portion that presses the contact portion against the arm,
- wherein the arm has a reception portion where the contact portion of the valve stem is disposed, and
- when the arm pivots, the contact portion of the valve stem rolls on the reception portion.
Dependencies are inferred from the claim text.