Patent ID: 9701484
Date: 2017-07-11
CPC Classifications: B65G,F16N

Claim:
1. A lubrication injector comprising: a housing; a translating metering body provided with a lubricant supply channel, a dispensing head, the dispensing head axially fixed to an exposed end of the metering body; at least one translating intermediate piston radially interposed between the metering body and the housing and axially moveable with respect to the housing, the intermediate piston carrying the metering body and being mounted slidable axially on the metering body; and an annular bore formed through the at least one translating intermediate piston; the metering body axially moveable within the annular bore, wherein mating surfaces of the metering body and the annular bore form a seal, the annular bore of the intermediate piston, the metering body, and the seal formed therebetween delimiting at least partly a metering chamber for a lubricant in communication with the supply channel of the metering body.