Bolt for attaching elevator buckets to belts, and method of making same

Claim 1

A bolt for attaching an elevator bucket to a flexible belt comprising: a. a threaded bolt shank, b. a nut threadable on said shank, c. a generally flat bolt head of comparatively large diameter integral with said shank, the general plane of said head being normal to said shank, and d. a plurality of pointed, angularly spaced teeth affixed to the face of said head confronting said shank, said teeth being spaced apart from said shank and extending from said head in the same direction as said shank, each of said teeth being generally planar with its plane disposed generally radially to said shank, each tooth having an inner edge confronting said shank and an outer edge distal from said shank, said outer edge sloping toward said shank in a direction toward the free end of said shank and being of substantial area in a plane normal to a radius line extending therefrom to the axis of said shank, and wherein a line lying in the surface of the outer edge of each of said teeth, and generally parallel to the plane of said head, is disposed at an angle of about 60 degrees to a radius line extending from said surface to the axis of said shank.