(57) Abstract Objective The saw with the work site whose foothold is bad it comes, job necessityWhen doing, carrying along being highly convenient and safe, the case of manipulation the aroundWithout receiving empty interference, being superior to operativity and operating efficiencyDon''t you think? the ru plectrum rising and offering the time dynamic type folding saw with is the purpose aru. Constitution The saw substitute edge which possesses the round hole and open-cut in the tail edge of the saw bodyWith, that saw body installation and removal and time motion possibly holding the saw holder which is doneAnd in the toe of switch of the saw holder the saw body support is done around the round holeru axial support tool was had, axial support tool adhered to the inside of the saw holderDon''t you think? the bush the manipulation screw axis and the manipulation which it makes this fit together support ring of the saw body which it can sleeve in shaft center direction due to the engagement of the ji axisThe time it can move with as consists of, vis-a-vis the bushAs person in charge stopping it does open-cut of the saw body, with rotary ring this revolutionOperation spring bias power to ring, containment the saw body inside the saw holderDon''t you think? from ru storage position the plectrum to deployment build for using it puts out, time motionWith, it succeeds the putting away time motion of the converse safely securelyThe sea urchin it did.
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