Wind screen wiper drive housing - has housing section with one or more lips to act as labyrinth seal
Реферат: The drive unit comprises of an electric motor and a pendulum drive in a plastic housing whose two halves are held together by spring clips. To provide an effective seal between the two halves a flexible seal is provided between opposite facing housing shoulders one of which has a ring shaded lip to press into the seal. Several lips may be provided to form a labyrinth seal. The lips have a triangular cross section and are moulded as one piece with the housing halves. The lips on one housing part lie between two rows of lips on the second housing. The lip on one housing are of a different diameter than the other.
Boat lift drive housing apparatus
Номер патента: US9975613B1. Автор: David M. Wendinger,Nicholas A. Gargaro, III. Владелец: Individual. Дата публикации: 2018-05-22.