Patent ID: 8556193

Claim:
A nozzle turret for an irrigation sprinkler, comprising: a body having a rotational axis and a nozzle socket having an insertion axis extending transverse to the rotational axis; a nozzle removably received in the socket; a sleeve opening on a top side of the body and defining a bore that communicates with the socket; and a nozzle retention screw with a shank having a lower male threaded segment screwed into the bore of the sleeve from the top side of the body, the shank extending into the socket a sufficient depth to retain the nozzle in the socket, the screw having a head that abuts an upper end of the sleeve when the screw is fully screwed in a downward direction into the sleeve, and the screw shank having an upper unthreaded segment with a predetermined longitudinal dimension selected relative to a longitudinal dimension of the bore whereby the screw can be unscrewed in an upward direction from the sleeve despite stripping of a segment of a female threaded portion of the bore.