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Patent Searching and Data


Matches 701 - 750 out of 1,186

Document Document Title
JPS58140900U  
JPS58130896U  
JPS5837756Y2  
JPS5837755Y2  
JPS58124398U  
JPS58121787U  
JPS58139896A
PURPOSE: To enable to steer a ship by operating a single handle, by a method wherein a pair of balanced-type propeller blade reciprocating mechanisms and a mechanism for rectilinear and parallel movements of a handle are provided through...  
JPS58120762U  
JPS5836639Y2  
JPS58110596U  
JPS58118495A
PURPOSE: To adopt a propulsive device equipped to a portable boat in accordance with a type of the boat, by removably mounting a propulsive unit through a combining means to a body of the rearmost part of the boat consisting of a main un...  
JPS5895861U  
JPS5830200B2  
JPS5893595U  
JPS5859000U  
JPS5815280Y2  
JPS5825179U  
JPS586697U  
JPS58639Y2  
JPS57204997U  
JPS5759436Y2  
JPS57195998U  
JPS57192897U  
JPS57174199U  
JPS57163500U  
JPS57158193A
PURPOSE: To increase the strength of an oar and shape the oar to easily capture water by constitute an oar blade from front and rear leathers and an oar shaft holding portion connected to either of the front or rear leather. CONSTITUTION...  
JPS57158194A
PURPOSE: To enable a clutch to be engaged with or disengaged from an engaging member by finger tip control for simplifying attaching-removing operation of an oar by providing a guide groove in a clutch body so that a projection of the en...  
JPS57153099U  
JPS57151199U  
JPS57148597U  
JPS57134389A
PURPOSE: To make it unnecessary to replace a stretcher support beam every time a fitting position is changed by fitting thin rails on both sides of a lengthwise direction of a boat inside a cockpit of a rowboat and providing an expansion...  
JPS57134376A
PURPOSE: To prevent the invasion of water, by integrally providing a cockpit on a deck and making the deck as a main-strength member and coupling both the side parts of the decks to each other with a frame so that the cockpit is interpos...  
JPS57130797U  
JPS57130881A
PURPOSE: To manufacture boats having large strength and a great bouyancy at a low cost by forming a shell plating portion and inner bottom plating portion of a hull in a blow molding method or the like using molds and as well by joining ...  
JPS57126790A
PURPOSE: To obtain propulsive force by enabling a pair of front and rear fins to be driven by the strength of human legs. CONSTITUTION: Left and right pedals 4 are engaged, through a gear casing 2, with a fin drive shaft 12 fitted with f...  
JPS57117300U  
JPS57117293U  
JPS5781998U  
JPS5767894U  
JPS5752393U  
JPS5746095U  
JPS5733086A
PURPOSE: To enable the use of a propeller for arbitrary boats and make the propeller portable, by dividing a propelling section and the boat body from each other and by disassembling a treading actuation section, the propelling section a...  
JPS5733598U  
JPS571797U  
JPS57499U  
JPS56174400U  
JPS5655116Y2  
JPS5655117Y2  
JPS56148991U  
JPS56124590A
PURPOSE: To fix a holder to a rigger readily after the adjustment of its position by compressing and fixing a holder attaching part which is screwed to the tip of the rigger by a bolt. CONSTITUTION: A holding member 63 is screwed to the ...  

Matches 701 - 750 out of 1,186