PORTABLE ANCHOR Russian patent published in 2009 - IPC B63B21/36 

FIELD: transport.

SUBSTANCE: portable anchor comprises anchor shank and spider with pivoted folding blades. Note that blade opening angle limiter represents cylindrical rod fitted in blind hole. The latter is made in the body of one of the blades to receive spring. Note here that the blade opening angle limiter is furnished with stop to restrict its lengthwise travel relative to central axis. Aforesaid stop represents short rod thread jointed to limiter body at right angle. Note here that limiter free end is fitted in hole drilled in bodies of three blades.

EFFECT: ease of manufacture and operation.

6 dwg