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

FIELD: ship building.

SUBSTANCE: proposed portable anchor comprises a shank, spider with hinged folding build-up blades, their opening angle being limited. The anchor hollow-cylinder body accommodates a hollow shaft with central anchor blades bolted to its free ends. Aforesaid hollow shaft houses a solid shaft with side blades bolted to its free ends. Note here that aforesaid body, hollow and solid shafts incorporate mating mutually perpendicular holes. Aforesaid build-up shank is rigidly attached to the body central side surface. The said shank houses the blade opening angle limiter representing a cylindrical rod with collar made at its center. One free end of the said rod enters the anchor body, hollow and solid shafts, while the other free end fits in the shank crosswise web to be locked by spring and connected with unlocking cable.

EFFECT: ease of manufacture and use.

4 dwg