JPH0455367U

JPH0455367U -

Info

Publication number: JPH0455367U
Application number: JP1990098511U
Authority: JP
Priority date: 1990-09-21
Filing date: 1990-09-21
Publication date: 1992-05-12

Description

[Brief explanation of drawings]

第１図は本考案に係る素振用バツトの正面図、
第２図は同縦断面図、第３図は同分解縦断面図、
第４図は他の実施例を示すバツト芯材の縦断面図
、第５図は他の実施例を示す素振用バツトの正面
図、第６図は同縦断面である。１……バツト芯材、１ａ……密閉栓、１ｂ……
縮径部、２……保護カバー、２ａ……中空筒、２
ｂ……密閉蓋、３……重量調整空間、４……有効
間隙。 Fig. 1 is a front view of the practice swing bat according to the present invention;
Figure 2 is a longitudinal sectional view of the same, Figure 3 is an exploded longitudinal sectional view of the same,
FIG. 4 is a longitudinal sectional view of a bat core material showing another embodiment, FIG. 5 is a front view of a bat for practice swing showing another embodiment, and FIG. 6 is a longitudinal sectional view of the same. 1...Butt core material, 1a...Sealing plug, 1b...
Reduced diameter part, 2...Protective cover, 2a...Hollow tube, 2
b... Sealing lid, 3... Weight adjustment space, 4... Effective gap.

Claims

[Scope of Claim for Utility Model Registration] (1) A batt for swinging, characterized in that water, etc. is sealed in and out of a batt core material formed in a hollow manner. (2) A swing batt characterized by comprising a hollow batt core material into which water or the like can be freely taken in and taken out, and a protective cover removably covered around the outer periphery of the batt core material. (3) The protective cover consists of a tapered hollow cylinder whose diameter gradually increases toward the tip, and
3. The swing bat according to claim 2, wherein the hollow cylinder forms an effective gap with the bat core material and has a lower end opening engaged with a reduced diameter portion of the bat core material. . (4) The bat for practicing swing according to claim 2 or 3, characterized in that a sealing lid is removably attached to the opening at the tip of the protective cover to form a weight adjustment space in the bat head.