Patent ID: 11920956
Assignee: SAFOCO, INC.
Field: Civil engineering (Other fields)
Classification: CPC E  G  F | IPC E  G

Claim 0:
1. An obstruction detector assembly for wellhead structures, comprising:
a ring flange comprising:
a first outer surface,
a second outer surface,
a plurality of fastener openings extending from the first outer surface to the second outer surface,
a central opening,
a first inner surface,
a second inner surface, and
an inner circumferential recess separating the first inner surface and the second inner surface; and

a driver housing coupled to the ring flange and comprising an internal chamber;
a driver stem disposed at least partially in the internal chamber of the driver housing, the driver stem is movable partially out of the internal chamber of the driver housing; and
a driver head disposed outside of the driver housing and coupled to the driver stem, the driver head disposed in the inner circumferential recess and movable into and out of the central opening of the ring flange.