发明名称 Spa cover lifter
摘要 A device for removing spa covers and storing them, while the spa in use, and returning them to cover the spa after use. This invention takes a different approach to the mounting requirements for the system hardware. Most notable, all weight of the covers and lifter are ground level mounted, no attachment is made to the spa.
申请公布号 US6393630(B1) 申请公布日期 2002.05.28
申请号 US20010858448 申请日期 2001.05.17
申请人 TEDRICK JOHN 发明人 TEDRICK JOHN
分类号 E04H4/08;(IPC1-7):E04H4/00 主分类号 E04H4/08
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