JPH0372868U

JPH0372868U -

Info

Publication number: JPH0372868U
Application number: JP13517089U
Authority: JP
Priority date: 1989-11-21
Filing date: 1989-11-21
Publication date: 1991-07-23

Description

[Brief explanation of drawings]

第１図は本実施例のナイフにおいて刀身の突出
寸法を最も小さくした状態を示す斜視図、第２図
は同じく断面図、第３図は本実施例のナイフにお
いて刀身の突出寸法を最も大きくした状態を示す
断面図、第４図は同ナイフにおいて刀身を柄から
取出した状態を示す断面図である。１……柄、２……刀身、２ａ……背部、５……
係止凹部、６……背金、６ａ……係止凸部、８…
…板ばね、Ｌ……刀身２の突出寸法。 Fig. 1 is a perspective view showing the knife of this embodiment in which the protruding dimension of the blade is the smallest, Fig. 2 is a sectional view of the same, and Fig. 3 is the knife of this embodiment in which the protruding dimension of the blade is the largest. FIG. 4 is a sectional view showing the knife in a state where the blade is taken out from the handle. 1...handle, 2...blade, 2a...back, 5...
Locking recess, 6... Back plate, 6a... Locking protrusion, 8...
...Leaf spring, L...Protrusion dimension of blade 2.

Claims

[Claims for Utility Model Registration] The blade 2 is movably supported with respect to the handle 1 so that the protruding dimension L of the blade 2 with respect to the handle 1 can be changed, and a locking recess 5 is provided in the back 2a of the blade 2. Elastic back metals 6 are arranged in parallel along the protruding direction and are provided on the back side of the handle 1, and the locking protrusions 6a formed on the back metals 6 are engaged with and released from each of the locking recesses 5 of the blade 2. A support structure for a blade of a knife, characterized in that a locking protrusion 6a of a back metal 6 is engaged with a locking recess 5 of a blade 2 by its elastic force.