Apparatus including a reciprocable pin sensing member for use in detecting pinfall ina bowling gameComplete Patent Searching Database and Patent Data Analytics Services.doi:US3158371 AKemp, Alton LUS
The pin curler (10) has a winding core (11) which is made of plastic. Multiple rows (13) are inserted in bristle rows extending in longitudinal direction and made of spaced bristled clusters (12). A lateral surface of the winding core is provided with a coating made of a heat-storing ...