Patent ID: 9127513
Filing Date: 2015-09-08
Classification: E02F,E21B,F16D,Y10T

Abstract:
1. An auger attachment system comprising: a coupler having a first end, a second end, and an opening having a shape and size to receive a drive shaft or an extension attachment, wherein the opening extends from the first end to the second end; an auger having a collar for removably combining with the second end of the coupler such that either the coupler or the collar have a lug member and the other of the coupler or the collar have a recessed opening with an engagement area, wherein the collar has a first end, a second end, and an opening having a shape and size to allow the extension attachment to pass through the entire collar into the auger, wherein the opening extends from the first end to the second end; wherein said engagement area is adapted to receive the lug member so that force is communicated from the coupler to the collar through the lug member's engagement with the engagement area; wherein said engagement area has a top wall and an end wall, said top wall and end wall adapted to help secure the lug member within the engagement area; wherein said end wall is spaced apart from the recessed opening allowing the lug member to rotate relative to the engagement area until the lug member engages the end wall.