GB578529A - Improvements in or relating to means for coupling parts, trailers or implements to a vehicle - Google Patents

Abstract

578,529. Coupling appliances for agricultural implements &c. KNIGHT, G. H. F., and MECHANICAL HORTICULTURAL IMPLEMENTS, Ltd. March 20, 1944, No. 5144. [Class 6 (i)] [Also in Groups XXV and XXXII] A coupling appliance for rigidly connecting two parts of agricultural &c. implements comprises a clamping plate B, Figs. 1, 2, fixed to one part of the machine, which is pressed against a ridge 3, or a recess by means of a screw 11 in a framework A on the other part of the machine. The part B shown in Fig. 3 is integral with a wheeled vehicle m and in Fig. 4 (not shown) is integral with the knife supporting beam of a grass-cutter and as shown in Figs. 1, 2 is provided with a groove 9 at the base engageable at two points over a hexagonal bar 3 of the frame A and is clamped thereto by the screw 11. The frame A is of trapezoidal shape with upper and lower members 2, 9 and sides 1, the frame being strengthened by bars 5 which also form abutments for the complementary coupling member B. Holes 6, 7 in the member B receive a round projecting part of the article to be coupled which is permanently or temporarilysecured in position. In Fig. 3 the coupling member A is permanently or temporarily secured to'upper and lower frame sections a, b, strutted together at their rear ends by stays c and supported on power-driven land wheels d driven from an engine e and steered by handles g. An assembly of soil working tools may be clamped between a plate j and an adjustable screw k. The coupling may be applied to a land wheel on a main frame section or to other detachable or interchangeable sections, parts of implements &c.