Cylindrical articulation axle maintaining device for e.g. grid of manhole, has retaining pin removably fixed in hole of bridging element transversal to housing of axle to axially retain axle in housing against force of compression spring

摘要

The device has a transversal retaining pin (9) removably fixed in a hole (10) of a bridging element (2) transversal to a housing (8) of an articulation axle (7) to axially retain the axle in the housing against return force of a helicoidal compression spring. The helicoidal compression spring is prestressed in the housing between a bottom (8a) of the housing and an end of the axle. An independent claim is also included for a method of installing a bridging element.