Patent ID: 8601698
Filing Date: 2013-12-10
Classification: A01G

Abstract:
1. Garden shears that avoid loosening of a shaft pin comprising: shears having overlapped first and second cutting members, the first cutting member and second cutting member respectively connected to a first handle and a second handle, the first cutting member having a through aperture, the first cutting member further having an engaging end extending from a rear end; the second cutting member having a non-circular engaging aperture corresponding to the through aperture of the first cutting member; a limiting member coupled to an outer side of the second cutting member behind the engaging aperture, a slot disposed in the limiting member and through the second cutting member; the limiting member further having limiting protrusions on a front section of both edges of the slot; a first positioning member and a second positioning member respectively disposed on two outer sides of the slot and engaged with the slot; the second handle of the second cutting member further having an opening corresponding to the second positioning member; the first handle having a first engaging column and the second handle having a corresponding buffering member, the buffering member having a second engaging column on a side and an elastic member disposed between the two engaging columns; and a shaft set having a threaded shaft pin, a washer, a threaded securing member and at least two engaging members, the engaging members fixed to the second cutting member; the threaded shaft pin comprising a head end, a neck section and a threaded section; the head end having an axial oil filling aperture, an outer wall of the neck section having a gap, an oil outlet connected to the oil filling aperture, and an oil groove around an outer edge of the neck section; a washer correspondingly engaged with the through aperture of the first cutting member and having an assembling aperture; the threaded securing member and the threaded shaft pin capable of being locked together, the threaded securing member further having a plurality of engaging teeth on an outer edge, the at least two engaging members each comprising a plurality of engaging teeth engaged with the engaging teeth of the threaded securing member.