Product i.e. pasta pill, dispensing device for cattle, has setting unit for changing setting position of spring section for changing distance of one arm from engagement area of pivot

摘要

The device (1) has two arms (3, 5) connected with each other by a pivot (4), and a spring section (6) for maintaining the arm (3) at a distance (8) from an engagement area (9) of the pivot, when the arm (3) is at an initial state (7) with respect to the arm (5). A setting unit (10) changes the setting position of the spring section for changing the distance. The setting unit changes the setting position of the spring section to a distance (11), when the arm (3) is arranged at the distance (11) from the arm (5).