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专利名称：Spanner
发明人：Hae Yang Park,Ho Gun Park申请号：US11211612申请日：20050826
公开号：US20060130620A1公开日：20060622
专利附图：
摘要：There is provided a spanner comprising: a head portion fastening and looseningan object: a pair of slide pieces symmetrically positioned inside the head portion in awedge shape, each slide piece being coupled to the head portion to be externallyslidable between the head portion and the object; and a coil spring disposed between an
inner bottom surface of the head portion and one end of each slide piece opposed to theinner bottom surface, the coil spring elastically supporting each slide piece so as toelastically bias the slide piece in a direction opposite to an opening direction of the headportion. Because the spanner having the above-mentioned construction is provided withthe slidable slide piece, it is possible to continuously fasten and loosen a bolt withoutpulling out the spanner even in a small space.
申请人：Hae Yang Park,Ho Gun Park
地址：Ulsan KR,Ulsan KR
国籍：KR,KR
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