GB354023A - Improvements in or relating to warp drawing-in frames - Google Patents

Abstract

354,023. Drawing warps through loom healds. ROBINSON, J. and DOBSON, J., Ingham Street Iron Works, Blackburn. July 4, 1930, No. 20263. [Class 142 (ii).] The healds are supported and also tensioned, whilst in the warp drawing-in frame, by a portable adjustable frame comprising a pair of upright metal bars a furnished with fixed brackets e having ledge-like parts e<1> for supporting the upper heald shafts f, the healds j being tensioned by removable cross-pins l<1> in stirrups l movably supported in the looped ends of levers k pivoted to the lower cranked ends a<2> of the bars a and furnished with regulating screws k<1>. The healds whilst being threaded are positioned by means of wood staves &c. i supported by the lower hooked parts of rods g slidable on the bars a furnished with handles g2 and provided with teeth h<1> engageable by a movable pawl lever h pivoted on the brackets e whereby the rods g are held in adjusted position. The bars a are adjustably connected by brackets a<1> and a flat bar b made in two parts clamped together by clamps b<1> and each upright bar a has a roller c whereby the carrier may be movably supported upon a cross rail of the drawing-in frame. The warp beam is supported in a low position by telescopic supports n, n<1> and the warp passes through a two-part clamp o carried in slide brackets p provided with thumbscrews &c. for adjusting the warp tension. The clamp o comprises two wood bars, one with a V-shaped part and the other with a V-groove which may have a cover of felt &c. The warp drawing-in frame may be provided with mechanism of the type described in Specifications 29477/13, 104,036, and 168,361, [all in Class 142 (ii), Looms, Kinds &c.], the rod q for oscillating the flapper bar r being now fulcrumed on the opposite side of the pedal shaft.