said hook latch is formed with a tunnel, said spring biasing means traverses said tunnel, {TAIL ~ another return spring} operatively biases {HEAD ~ said hook latch} and engages the latter in said tunnel 
said hook latch is formed with a tunnel , said spring biasing means traverses said tunnel , { TAIL ~ another return spring } operatively biases { HEAD ~ said hook latch } and engages the latter in said tunnel
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH