Title:
ROTARY BLATE FOR MOWER AND MOWER USING THE SAME
Document Type and Number:
Japanese Patent JP2020178675
Kind Code:
A
Abstract:
To provide a rotary blade for mowers capable of easily restoring an extension length of a nylon cord.SOLUTION: A case body 200 comprises: a case first member 210 that is combined with a holder 100 so as to be relatively non-rotatable about an axial line L of a fitting shaft 14 and to be rotatable relative to the axial direction of the fitting shaft 14 and is constantly elastically energized downward; and a case second member 230 combined with the case first member 210 so as to be non-rotatable relative to the vertical direction and to be relatively rotatable about the axial line L of the fitting shaft 14. The case second member holds a cord-like cutting member 40, the base end side of which is wound around and, the tip end of which is extended radially outward the case body 200 from a lateral wall of the case first member 210. The holder 100 includes a plurality of first engagement projections 130 projecting upward and annually aligned, with the fitting shaft 14 defined as a center. The case second member 230 includes a plurality of second engagement projections 260 projecting downward, annually aligned, with the fitting shaft defined as a center, and being engageable with the first engagement projections 130.SELECTED DRAWING: Figure 4
Inventors:
KOBAYASHI HIRONORI
Application Number:
JP2019112205A
Publication Date:
November 05, 2020
Filing Date:
June 17, 2019
Export Citation:
Assignee:
KOBAYASHI HIRONORI
International Classes:
A01D34/416; A01D34/90
Attorney, Agent or Firm:
Minoru Yoshida
Tatsuya Tanaka
Yasumitsu Suzuki
Nao Usui
Keita Kobuchi
Shintaro Suzuki
Tomokazu Saito
Tatsuya Tanaka
Yasumitsu Suzuki
Nao Usui
Keita Kobuchi
Shintaro Suzuki
Tomokazu Saito