Patent ID: 9721440
Date: 2017-08-01
CPC Classifications: G06Q,G07G

Claim:
1. A point-of-sale system with a replaceable printer, the point-of-sale system at least comprising: a main body comprising a main circuit board, an accommodation member and at least one positioning structure, wherein the main circuit board is electrically connected with a display device; and the printer disposed within the accommodation member and electrically connected with the main circuit board, and comprising at least one position-limiting element for engaging with the positioning structure of the main body to limit a position of the printer in the accommodation member, and a detaching element for disengaging the position-limiting element from the positioning structure of the main body, thereby detaching the printer from the main body, wherein the detaching element comprises a pressing block and a push rod, and when an external force is exerted on the pressing block in a first direction, the push rod is transmitted to move in a second direction different from the first direction and transmit the position-limiting element to move in a third direction different from the second direction, thereby disengaging the position-limiting element from the positioning structure of the main body.