Self-locking electrical connector

Self-locking electrical connector

Self-locking electrical contact assembly

Self-locking means

Self-locking telescopic extensible rule

Self-locking-and-measuring ruler for computer-printout forms

Self-marking measuring tape

Self-orienting platform

Self-positioning caliper

Self-powered coordinate probe

Self-powered rotary optical aligning apparatus

Self-propelled drawing device or tracing device

Self-recording readout system for surface measurement device

Self-retaining electrical contacts

Self-retaining receptacle box

Self-retracting measuring device with wiping system for oil sump

Self-sealing vacuum hose swivel fitting

Self-shearing connector for electrical conductors

Self-staking circuit board pin contact

Self-straightening tape measure of synthetic resin and a process