Flat bushing seats are the most simple but also the most versatile seats.

single end and square box wrench

single end and square ring

The sleeve is secured within the central opening of the planar sheet.

A bush (43a) is fitted to the edge of the hole of the flat washer (43), and a step (43b) is formed by the upper surface of the flat washer (43) and the bush (43a).

The flat plate is welded to four walls of the post receiving socket.

The sleeve (76), the frame (52) and the work platform partially surround the post (40).

It consists of four components: a “mandrel” rod (1); a milling head or flat round head bush (2); a deformation bush (3); and a locking ring (4).

The connector comprises a socket attached to the hull of the platform.

The socket defines a socket radius.

A socket (40) comprises a socket body (41) and a socket holder (50).

The socket includes a socket opening, the socket opening composed of the first material.

In addition to the ball-and-socket connection, elements may connect in a socket-to-body connection, or a number of different types of socket-to-socket connections.

The ground spike may have a post receiving socket secured to the flat plate.

The socket insert is receivable within the socket for electrically connecting the socket insert to the socket.