发明名称 Bifold door repair apparatus
摘要 An apparatus is described for conveniently repairing broken bifold doors and especially where the operating pivot pin is loose. The apparatus consists of a heavy "L" shaped bracket which has a retractable pivot pin installed in it. The bracket with installed pivot pin are simply screwed onto the split corner of the bifold door, repairing the door and replacing the old pivot pin with a new securely anchored pivot pin, all in one operation.
申请公布号 US5553352(A) 申请公布日期 1996.09.10
申请号 US19940312035 申请日期 1994.09.26
申请人 BOLTON, JOHN D. 发明人 BOLTON, JOHN D.
分类号 E05D7/08;(IPC1-7):E05D7/10 主分类号 E05D7/08
代理机构 代理人
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