ROTATING AND ADJUSTING MECHANISM OF SEAT FOR VEHICLE

摘要

PURPOSE: A rotating and adjusting mechanism of a seat for a vehicle is provided to be simply structured by a minimum number of parts and have an automatic aligning function. CONSTITUTION: An engaging and sliding portion(21) having a substantially inverted-U cross sectional shape is formed in a lower base(11). An upper base(13) is arranged via an engaging and sliding portion(21) of the lower base(11) and a first rolling member(23). A sliding portion(25) having a substantially U cross sectional shape and engaging with the engaging and sliding portion(21) is formed in a holding member(15). A second rolling member(27) is provided between the sliding portion(25) of the holder(15) and the engaging and sliding portion(21) of the lower base(11). A recess is formed at a position of an adhered portion of the holder(15) in the upper base(13). A position of an adhered portion in a seat main body is formed in a substantially linear shape. A mounting portion having a substantially inverted-U cross sectional shape is formed in the holder(15). A rotating lever(45) having a lock hook inserted to a lock hole of the lower base(11) is pivoted to the upper base(13). Lever guides(43, 57) for guiding the lock hook are provided.