OPENING AND CLOSING DEVICE FOR DOOR OF BUDDHIST HOUSEHOLD ALTAR

摘要

PURPOSE:To simply and smoothly open or close a door member by providing a link mechanism flexibly moving in accordance with the rotation of an outer door of the door member in the door member attached to a box member in a Buddhist household altar. CONSTITUTION:A rotating lever 5 provided in the vicinity of the rotary shaft 4 of door members 2, 2 below the top plate (a) of a box member in a Buddhist household altar 1 has an end rotatably attached to the top plate (a) by means of an attaching shaft 6 and the other end attached through a shaft 9 to an operating rod 8 inserted into a sliding guide 7 disposed at an upper end of an outer door member 2f. A circular arc-shaped arm 10 coupled 11 to the other end of the operating rod 8 has an end pivoted to the upper end of an inner door 2e through a shaft 12 and the inner door 2e is opened and closed around a hinge 3 by pushing or pulling the operating rod 8. A driving means 13 for opening or closing the door members 2, 2 opens or closes the door members 2, 2 at a prescribed low speed by attaching a small gear 18 to the output shaft of the reduction gear device 15 of a motor 16 through a friction coupling 17, engaging it with a large gear 19 axially supported by the rotary shaft 4 and transmitting the normal and reverse rotations of the speed reduced motor 16 to the rotary shaft 4.