| 摘要 |
PCT No. PCT/AU89/00317 Sec. 371 Date Mar. 18, 1991 Sec. 102(e) Date Mar. 18, 1991 PCT Filed Jul. 27, 1989 PCT Pub. No. WO90/00877 PCT Pub. Date Feb. 8, 1990.A carpet stretcher assembly is provided having a retractable carpet engaging head that can be pneumatically driven by a cylinder assembly. The carpet engaging head is connected to the pneumatic cylinder assembly by a flexible connection whereby the carpet engaging head can automatically be moved to an elevated position relative to a carpet being stretched when it is retracted by the pneumatic cylinder assembly.
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