发明名称 Spring coil assembly
摘要 A spring cushion structure with a plurality of hour-glass shaped spring coils arranged in columns and rows with adjacent springs within a row connected at the top and bottom by a helical wire extending between adjacent columns and with the marginal coils attached at the top to a border wire extending around the assembly. A transparent sheet is placed between the bottoms of the assembly and support sinuous wires which are bent to provide an upwardly extending integral suspending arm and bent again to provide an outwardly extending shepherd hook shaped attachment arm which is attached to a wood frame surrounding the periphery of the entire structure.
申请公布号 US4819920(A) 申请公布日期 1989.04.11
申请号 US19880197204 申请日期 1988.05.23
申请人 BARBER MANUFACTURING COMPANY, INC. 发明人 BARBER, JAMES R.
分类号 A47C23/30;(IPC1-7):F16F3/00;A47C23/00;A47C23/04 主分类号 A47C23/30
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