Double-sided safety gear
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United States of America Patent
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-
Dec 6, 1994
Issued Date -
N/A
app pub date -
Apr 28, 1994
filing date -
Nov 18, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A safety gear e.g. for an elevator car or counterweight, comprises at least one wedge chamber (8) and at least one working wedge (9) acting on an elevator guide rail (30) and activated by a transmission element. For each working wedge (9), the safety gear has at least one counter wedge (10) moving along guide surfaces (14 and 39) provided in the wedge chamber (8). The counter wedge (10) of a working wedge (9) is on the same side of the guide rail as the working wedge (9) in question.
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