Patent ID: 11951748
Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 16:
17. A print liquid supply interface structure to fluidically connect a fluid supply container to a receiving station, the print liquid supply interface structure comprising:
a liquid channel and liquid interface to fluidically connect to a fluid needle of the receiving station, wherein the liquid channel is defined by at least one liquid channel wall, and wherein the liquid channel defines a needle insertion direction;
a first recess comprising a first base wall on a first side of the liquid channel; and
a second recess comprising a second base wall on a second side of the liquid channel, wherein the first base wall and the second base wall extend next to the liquid channel, approximately perpendicular to the needle insertion direction, at least 10 mm behind a liquid interface edge as measured along the needle insertion direction, and wherein each of the first base wall and the second base wall comprise a hole to receive a key pen.