| 摘要 |
PCT No. PCT/CA94/00715 Sec. 371 Date Jun. 14, 1996 Sec. 102(e) Date Jun. 14, 1996 PCT Filed Dec. 14, 1994 PCT Pub. No. WO95/16624 PCT Pub. Date Jun. 22, 1995A sheet material carrying device comprises a U-shaped bracket having first and second legs defining a slot therebetween. The first and second legs have leg ends at the ends of the "U"-shaped bracket. Mounted to the first and second legs respectively are first and second opposed facing jaws. The first leg has at its' end a cam follower. The first jaw is pivotally mounted to the first leg and rotatable into the slot. A first jaw engaging lever, having a cam end and an opposed handle end, is pivotally mounted at its'cam end to the first jaw. The cam end comprises a cam surface, whereby the first jaw engaging lever is rotatable by pivoting the handle end about the first jaw so as to engage the cam surface with the cam follower. The first jaw is thereby forced into the slot to frictionally engage a sheet of material placed therein.
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