发明名称 Combined register opening cover and register boot frame
摘要 A register opening cover may be used to cover register openings until the register boot is installed in the register opening. During the installation of the register boot, the invention may be used to hold the register boot in place until the register boot is securely connected to the floor. After the register boot is installed, the cover forms an insulator around the register boot. One embodiment of the invention provides a register opening cover and register boot frame that can be configured to fit register boots of different sizes. Another embodiment of the invention provides a register opening cover that will support some of the weight of a worker who may step on the covered register opening.
申请公布号 US6908115(B2) 申请公布日期 2005.06.21
申请号 US20020235974 申请日期 2002.09.05
申请人 SNYDER NATIONAL CORPORATION 发明人 SYNDER DARRYL L.
分类号 F24F13/08;F24F13/20;(IPC1-7):F16L25/00 主分类号 F24F13/08
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