| 摘要 |
A rail-mounting assembly has a base frame formed unitarily with a pair of side members and a pair of end members generally bridging ends of the side members and having inwardly directed generally vertical inner end faces. At least one web extending horizontally between the members has a horizontal upper face and defines with the members a vertically throughgoing aperture. A top plate spaced above the base frame has a lower face having a portion spacedly vertically confronting the upper face of the web and a pair of outwardly directed outer end faces longitudinally horizontally confronting the inner end faces of the end members. An elastomeric body is bonded to each of the outer end faces and the respective confronting inner end face and to the upper face of the web and the portion of the lower face confronting the upper face.
|
