To close the opening (15) of the load compartment (14) of a truck, one end of a tarpaulin (20) is fixed above the opening (15), while its other end comprises a hooking means (24) that can be firmly hooked in the lower end of the opening (15). The tarpaulin (20) is provided with holes (25) through which...http://www.google.com.tw/patents/US4621862?utm_source=gb-gplus-share專利 US4621862 - Closing means for trucks
