초록 ▼

A bar or rod or tube clamp-type connector for assembling a frame to be covered by a woven fabric or tarpaulin or plastic film or sheet wherein the clamp-type connector comprises at least two rigid metal elements and one pierced resilient or cushioning element and wherein each rigid element includes

A bar or rod or tube clamp-type connector for assembling a frame to be covered by a woven fabric or tarpaulin or plastic film or sheet wherein the clamp-type connector comprises at least two rigid metal elements and one pierced resilient or cushioning element and wherein each rigid element includes a recessed portion having an inner friction surface which is grooved or knurled and a pierced flange having rounded corners extending therefrom and a bolt capable of being tightened by a nut and extending through the pierced flange of each rigid element and the pierced resilient or cushioning element, such clamp-type connector being capable of clamping two bars or rods or tubes in parallel or angular relation to produce a frame to be covered by material in contact with the frame and the rounded corners of the flanges of the connector elements.

대표청구항 ▼

A multi-positional clamp for securing rods, bars, or tubes of various lengths in fixed positions and an various angles to produce a frame assembly adapted to be covered with a woven fabric or non-woven sheet, which frame assembly may be subject to motion or vibration, said clamp comprising: (a) at l

A multi-positional clamp for securing rods, bars, or tubes of various lengths in fixed positions and an various angles to produce a frame assembly adapted to be covered with a woven fabric or non-woven sheet, which frame assembly may be subject to motion or vibration, said clamp comprising: (a) at least two rigid clamping members and (b) at least one resilient flexible, deformable and cushioning member, (c) each rigid clamping member comprising (i) a rotatable flange portion having a flat slidable surface and rounded corners and (ii) a cradle or embracing portion having a grooved or knurled inner surface opposed to said resilient, flexible deformable cushioning member (d) each said flat flange portion having a single circular opening formed therein so that each said flat flange portion can be rotated individually about said single fastening bolt (e) a single fastening bolt means cooperating with said opening formed in each of said slidable flat surfaced flanges of the two rigid members and said resilient flexible, deformable and cushioning member and for holding together said flat slidable surfaces in fact to face contact after rotation into position whereby in the various positions of the clamp, one or more rounded corners of the flange portion will be presented for contact with the fabric or sheet cover and when the assembly is subjected to motion or vibration, the grooved or knurled inner surfaces of the cradle or embracing portions will overcome the tendency of the rods or bars or tubes to slide.