Patent ID: 7481034
Filing Date: 2009-01-27
Classification: B68B

Abstract:
1. A double-jointed horse bit comprising: two outer side parts that are configured to be rings; and a bit part interposed between and connected to the side parts, the bit part having two side portions; a central portion, the central portion being connected to each of the two side portions through a joint, the joints being formed from two joint holes formed in the central portion and from one eye each which is provided in every side portion, and the central portion has a base part in which the two joint holes are formed; a ring, wherein the ring is substantially located between the two joint holes and is bounded by radial surfaces, the ring has an outer diameter A, an axial width B, and an axial hole having an inner diameter L; a peripheral groove for movably receiving the ring and for securing the ring from being lost is formed in the base part, the groove having an axial width W that is slightly greater than the axial width B, the base portion has, in the region of the groove, a core diameter D that is smaller than the inner diameter L of the hole; and the groove is bounded by a rim having a rim diameter R that is not greater than the outer diameter A, wherein the core diameter D is at least one millimeter smaller than the inner diameter L of the hole and the ring is allowed to radially move back and forth, and that twice the hole diameter L is smaller than the sum of the rim diameter R plus core diameter K and the hole is always hidden.