PROBLEM TO BE SOLVED: To provide an anchor member and an anchor unit that can firmly fix a sheet material, such as a weed-proof sheet, with respect to the ground.SOLUTION: An anchor part 1, which is made of resin, has a screw thread 6 in an outer periphery of an axis 5 and includes: a screw body 2 screwed into the ground from a point and a head part 3 provided in the back end side of the screw body 2. At least a part of the screw body 2 is buried in the ground. In the outer peripheral surface of the axis 5, a plurality of projections 11, which extend in the longitudinal direction of the axis 5, while intersecting with the screw thread 6, are formed.COPYRIGHT: (C)2015,JPO&INPIT【課題】防草シート等のシート材を地面に対して強固に固定することができるアンカー部材及びアンカーユニットを提供する。【解決手段】軸5の外周にねじ山6を有し、先端から地面にねじ込まれるねじ本体2と、該ねじ本体2の後端側に設けられた頭部3と、を備え、少なくともねじ本体2の一部が地中に埋設される樹脂製のアンカー部材1であって、軸5の外周面には、ねじ山6と交差しながら当該軸5の長手方向に沿って延在する凸条11が複数形成されている。【選択図】図1
