| 摘要 |
FIELD: sports; sports equipment; active rest and tourism. ^ SUBSTANCE: oar has pole with steel pin at the end; swivel rowing blade is fitted on this pin. During working cycle of rowing, swivel rowing blade is held in vertical position by means of rest. At reverse idle cycle of rowing, blade slides over water surface. Oar with rest is fixed in tubular oarlock in two positions: behind working surface of blade and on opposite side of blade. ^ EFFECT: enhanced efficiency of oar; ease in use. ^ 4 dwg |
