Patent ID: 9490156
Filing Date: 2016-11-08
CPC Classification: B25B,B25J,B65G,H01L

Claim Text:
1. A transfer device for holding an object, the transfer device comprising: a housing having a housing surface; at least one inlet conduit having an inlet for introducing a gas into the at least one inlet conduit; a plurality of secondary inlet conduits connected to the at least one inlet conduit; a plurality of sets of outlet conduits being in fluid communication with the at least one inlet conduit, wherein each set of outlet conduits comprises: wherein the respective outlets of the sets of outlet conduits are arranged in a direction along the housing surface and away from the single center region relative to the plurality of sets of outlet conduits, so that a laminar gas flow, comprising a sheet of gas, that flows out from the outlets and away from the single center region flows parallel to the housing surface such that a pressure differential is generated which creates a force towards the single center region to hold the object against the housing surface, the plurality of sets of outlet conduits are arranged parallel to the single center region, and all of the plurality of outlets direct the gas out of the outlet conduit away from the single center region.