ROTARY DAMPER FOR VEHICLE SEAT

• Main Author: HOTTA HISAHIRO
• Format: Patent
• Language: English
• Published: 17.10.2013
• Subjects: BEARINGS; BLASTING; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MEANS FOR DAMPING VIBRATION; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SEATS SPECIALLY ADAPTED FOR VEHICLES; SHAFTS; SHOCK-ABSORBERS; SPRINGS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR; VEHICLES IN GENERAL; WEAPONS

PROBLEM TO BE SOLVED: To provide a rotary damper for a vehicle seat that enables a backrest to manually rotate lightly without being affected by a turning effort generated by empty weight of a backrest and further in which a function of a spiral spring can be reliably obtained.SOLUTION: A rotary damper 1 for a vehicle seat includes a housing 3; a rotor 7 rotatably arranged with respect to the housing 3; a vane means 8 arranged in a space 6; and a spiral spring 14 arranged on a side of a seat 11 and a backrest 13 of a vehicular seat 10 with respect to the rotor 7, where the spiral spring is connected to the seat 11 of the vehicular seat 10 at one end 9 thereof and is connected to a rotary shaft 51 fixed to the backrest 13 of the vehicular seat at the other end 12 thereof.