a method for creating a temporary safety space within an elevator hoistway by preventing upward or downward movement of a car or counterweight along guide rails . the method includes the steps of providing engagement members on the guide rails and extending support struts from the car or counterweight to either side of a guide blade of the guide rail , whereby upward or downward movement of the car or counterweight along the guide rail is prevented when the extended support struts bear against the engagement members .