Clamp for panel mounting of gauge instruments

Claim 1

A clamp for concealed panel wall mounting a rear inlet connected stem gauge instrument comprising in combination: (a) an elongated metal plate of length at least sufficient to span the width of the gauge instrument to be mounted; (b) a first opening defined in said plate of size at least sufficient to pass the inlet stem of the gauge having a transverse formation comprising parallel grooves oppositely located on the stem; (c) a centrally located keyslot opening in said plate communicating with said first opening thereof and of insufficient size to pass the inlet stem of the gauge, said keyslot opening being of predetermined geometric configuration to interfit with said transverse formation on the gauge stem for providing both a rotational and longitudinal interlock therewith; (d) a first lateral leg near one end of said plate extending from said plate to a distal end comprising the edge face thereof, said first lateral leg being adapted when said plate is interlocked on the gauge stem to extend in a direction toward the panel wall adjacent a first edge of the gauge instrument; (e) a second lateral leg near the opposite end of said plate from said first lateral leg extending from said plate to a distal end comprising the edge face thereof, said second lateral leg being adapted when said plate is interlocked on the gauge stem to extend in a direction toward the panel wall adjacent a second edge of an instrument thereat; and (f) both of said first and second legs being threadedly connected to said plate to be effective when their edge faces engage the panel wall for providing takeup adjustment to mount the gauge instrument securely against the panel wall.