公开(公告)号：EP0886752A1

公开(公告)日：1998-12-30

申请号：EP97906297

申请日：1997-03-11

申请人： ROYAL ORDNANCE PUBLIC LIMITED

发明人： NOBLE PHILIP JOHN ,  WHEELER PAUL ,  HANN MICHAEL

IPC分类号： F41A23/46

CPC分类号： F41A23/46

摘要： An anchor spade for fitting to the rear end of a trail leg or to a firing platform of a howitzer is described, the anchor spade being for engaging and digging into the ground under the rearward recoil forces of firing, the anchor spade comprising: a rearwardly facing blade plate having a tip for digging into the ground under the forces of recoil and a rearwardly facing top plate mounted above the blade plate so as to be generally parallel with the ground, in use, when the blade plate is embedded in the ground, the spade blade angle lying in the range from 35° to 55° and the spade forward angle lying in the range from 70° to 110°.