Patent ID: 8479889

Claim:
A buffer arrangement of an elevator, comprising: at least a buffer of the elevator; and a buffer stop, comprising: at least a stem part fixed to a base thereof; and a stop element with adjustable height position with respect to the stem part adjustably coupled to the stem part, the stop element comprising a first stopping surface for the buffer of the elevator, and an extension part in connection with the first stopping surface configured to provide a second stopping surface being parallel with the first stopping surface and having a higher position than the first stopping surface with respect to the base, wherein the extension part is hinged at a first end thereof, opposite to a second end of the extension part forming the second stopping surface, by means of a hinge element to one edge of the first stopping surface; wherein the second stopping surface is configured to receive a collision of the buffer when the elevator is in service mode; and wherein in a normal drive mode of the elevator, the extension part of the buffer stop is configured to turn around the hinge element to a side of the first stopping surface of the buffer stop and at the same time to provide a third stopping surface, formed by the first end of the extension part, of the stop element of the buffer stop to receive a collision of the buffer.