| 摘要 |
1535464 Swivel joints M SCHLAPPIG 25 March 1977 [27 March 1976] 12763/77 Heading E2F A swivel joint for adjusting the angle of inclination of the back of a seat e.g. of a motor vehicle has fixed and rotatable levers 10, 11 mounted on an eccentric 16 and provided with inner toothed rims 12, 13 engaging a lock tooth washer 17, the rims having the same root and outside diameters, tooth washer 17 having at least one tooth less than rim 13 which in turn has at least one tooth less than rim 12. |
