| 摘要 |
This invention relates to a novel safety shield for rotary drilling rigs. Mo re particularly, the invention pertains to a portable, clam-shell style extendible leg safety shield which can be readily installed on the ground around the drill stem of an operational drilling rig, such as an oil well drilling rig. A safety shield for use in association with rotary drilling rigs comprising (a) a first protective shield; (b) a second protective shield hinged to the first shield; (c) a first leg assembl y connected to the exterior of the first shield; (d) a second leg assembly secured to th e exterior of the second shield; and (e) a securing mechanism for securing the first shield to the second shield.
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