Locking component for securing a cover on a frame
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United States of America Patent
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May 5, 1992
Grant Date -
N/A
app pub date -
May 22, 1990
filing date -
May 25, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention comprises a grate having a device to prevent it from dislodging when a vehicle drives over the grate. For this purpose, a part (2') of the supporting component at a side face of the grate (1) is designed as a thin, tongue-shaped wall (33) with an outer thickening (34). The supporting component has a notch (35) that is vertical with respect to its longitudinal axis on an end of the tongue-shaped wall, a thickening (22) or a depression being located on an inner side face of the associated supporting frame.
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