Patent ID: 7937840

Claim:
A knife connector, comprising: a base, having a holding side; a knife-holding end; a connecting end opposite to the knife-holding end; and a holding cavity defined in the holding side and having an opening defined in the knife-holding end; a cover pivotally connected to the base to close the holding cavity; a clamping device mounted on the base and holding the cover on the base to close the holding cavity; and a connecting stub mounted on the connecting end of the base and having a non-circular cross section; and an engaging recess defined around the connecting stub, wherein the base has a top edge and a bottom edge; the cover is pivotally connected to the bottom edge of the base with a pivot and has a top edge corresponding to the top edge of the base; the clamping device is mounted on the top edge of the base and comprises a slider slidably mounted on the top edge of the base and selectively clamping the top edge of the cover; and the clamping device further comprises multiple positioning teeth defined in the top edge of the base; a positioning post mounted on the slider and having a bottom end engaging one of the positioning teeth on the base; and a spring mounted around the positioning post and providing a force to push the positioning post to engage a corresponding positioning tooth.