| 摘要 |
1,245,901. Vehicle head-rest. K. HERZER Jan. 9, 1970 [Sept. 2, 1969¦, No. 1083/70. Addition to 1, 245, 544. Heading A4J. A head-rest in which pivotal adjustment is possible about axis 21 and which adjustment is locked except when the axis is moved in the direction 8, has a polygonal or spur wheel lock 5, 6 so profiled as to be readily made without a cutting operation (e. g. by casting). Lever 55 is restrained against shock loads by a pin 56 or abutment 52.
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