【特許請求の範囲】
【請求項1】 一対の平行なビームの両端を互いに固定部および可動部で上下に一体に連ねると共に、前記固定部または可動部の少なくとも一方を取付部材に対して前記ビームの長手方向にボルトで締結してなるロードセル式計量装置において、
前記固定部または可動部の少なくとも一方からロードセルの中空部に向って突出する突出部または突出部材を設け、
該突出部または突出部材を前記固定部または可動部の少なくとも一方を介して前記取付部材に固定したことを特徴とするロードセル式計量装置。
【請求項2】 一対の平行なビームの両端を互いに固定部および可動部で上下に一体に連ねると共に、前記固定部または可動部の少なくとも一方を取付部材に対して前記ビームの長手方向にボルトで締結してなるロードセル式計量装置において、
前記固定部または可動部の少なくとも一方からロードセルの中空部に向って突出する突出部または突出部材を設け、
該突出部または突出部材に形成した雌ネジ部に前記ボルトをねじ込んで、前記固定部または可動部の少なくとも一方を前記取付部材に締結したことを特徴とするロードセル式計量装置。
【請求項3】 一対の平行なビームの両端を互いに固定部および可動部で上下に一体に連ねると共に、前記固定部または可動部の少なくとも一方を取付部材に対して前記ビームの長手方向にボルトで締結してなるロードセル式計量装置において、
前記固定部または可動部の少なくとも一方からロードセルの中空部に向って突出する突出部または突出部材を設け、
該突出部または突出部材に形成した雌ネジ部に前記ボルトをねじ込んで、前記突出部または突出部材を前記固定部または可動部の少なくとも一方を介して前記取付部材に固定したことを特徴とするロードセル式計量装置。
【請求項4】 請求項1,2もしくは3において、
前記突出部または突出部材を設けた前記固定部または可動部における前記ビームの外側には、前記ボルトが挿通されると共に前記ボルトの雄ネジ部が係合しないボルト挿通孔が形成されているロードセル式計量装置。
【請求項5】 請求項1において、
前記突出部材が前記ボルトの頭部で形成されていると共に、該ボルトの締結力を発揮する雄ネジ部が前記固定部または可動部に挿通されて取付部材まで突出しているロードセル式計量装置。
【請求項6】 一対の平行なビームの両端を互いに固定部および可動部で上下に一体に連ねたロードセルであって、
前記固定部または可動部の少なくとも一方における前記ビームの外側には、前記固定部または可動部の少なくとも一方を取付部材に対して前記ビームの長手方向に締結するボルトを挿通可能とするボルト挿通孔が形成され、
該ボルト挿通孔における前記ビームの外側の部分には雌ネジが形成されていないことを特徴とするロードセル。
[Claims]
[Claim 1] A load cell type weighing device comprising a pair of parallel beams, both ends of which are integrally connected vertically by fixed and movable parts, and at least one of the fixed and movable parts being fastened to a mounting member in the longitudinal direction of the beams by bolts,
a protruding portion or protruding member is provided that protrudes from at least one of the fixed portion and the movable portion toward the hollow portion of the load cell;
A load cell type weighing device characterized in that the protruding portion or protruding member is fixed to the mounting member via at least one of the fixed portion and the movable portion.
[Claim 2] A load cell type weighing device in which both ends of a pair of parallel beams are integrally connected together vertically by fixed and movable parts, and at least one of the fixed and movable parts is fastened to a mounting member in the longitudinal direction of the beams by bolts,
a protruding portion or protruding member is provided that protrudes from at least one of the fixed portion and the movable portion toward the hollow portion of the load cell;
A load cell type weighing device characterized in that the bolt is screwed into a female thread portion formed on the protruding portion or protruding member, thereby fastening at least one of the fixed portion or movable portion to the mounting member.
[Claim 3] A load cell type weighing device in which both ends of a pair of parallel beams are integrally connected together vertically by fixed and movable parts, and at least one of the fixed and movable parts is fastened to a mounting member in the longitudinal direction of the beams by bolts,
a protruding portion or protruding member is provided that protrudes from at least one of the fixed portion and the movable portion toward the hollow portion of the load cell;
A load cell type weighing device characterized in that the bolt is screwed into a female thread portion formed on the protruding portion or protruding member, and the protruding portion or protruding member is fixed to the mounting member via at least one of the fixed portion or the movable portion.
[Claim 4] In claim 1, 2 or 3,
A load cell type weighing device in which a bolt insertion hole is formed on the outside of the beam at the fixed part or movable part on which the protruding part or protruding member is provided, through which the bolt is inserted and into which the male threaded part of the bolt does not engage.
5. In claim 1,
A load cell weighing device in which the protruding member is formed by the head of the bolt, and the male threaded portion that exerts the fastening force of the bolt is inserted into the fixed portion or movable portion and protrudes to the mounting member.
6. A load cell in which both ends of a pair of parallel beams are integrally connected together at the top and bottom by a fixed portion and a movable portion,
a bolt insertion hole is formed on the outer side of the beam in at least one of the fixed portion or the movable portion, through which a bolt can be inserted to fasten at least one of the fixed portion or the movable portion to an attachment member in the longitudinal direction of the beam;
A load cell characterized in that no female thread is formed on the outer portion of the beam in the bolt insertion hole.
【0007】
【課題を解決するための手段】
前記目的を達成するために、本第1発明のロードセル式計量装置は、一対の平行なビームの両端を互いに固定部および可動部で上下に一体に連ねると共に、固定部または可動部の少なくとも一方を取付部材に対してビームの長手方向にボルトで締結してなるロードセル式計量装置において、固定部または可動部の少なくとも一方からロードセルの中空部に向って突出する突出部または突出部材を設け、該突出部または突出部材を固定部または可動部の少なくとも一方を介して取付部材に固定したことを特徴とする。
[0007]
[Means for solving the problem]
In order to achieve the above-mentioned object, the load cell weighing device of the first invention is a load cell weighing device in which both ends of a pair of parallel beams are connected together vertically via fixed and movable parts, and at least one of the fixed parts or movable parts is fastened to a mounting member in the longitudinal direction of the beam with a bolt, characterized in that a protruding part or protruding member is provided that protrudes from at least one of the fixed parts or movable parts toward the hollow part of the load cell, and the protruding part or protruding member is fixed to the mounting member via at least one of the fixed parts or movable parts.
一方、本第2発明のロードセル式計量装置は、一対の平行なビームの両端を互いに固定部および可動部で上下に一体に連ねると共に、固定部または可動部の少なくとも一方を取付部材に対してビームの長手方向にボルトで締結してなるロードセル式計量装置において、固定部または可動部の少なくとも一方からロードセルの中空部に向って突出する突出部または突出部材を設け、該突出部または突出部材に形成した雌ネジ部にボルトをねじ込んで固定部または可動部の少なくとも一方を取付部材に締結したことを特徴とする。
On the other hand, the load cell weighing device of the second invention is a load cell weighing device in which both ends of a pair of parallel beams are connected together vertically by fixed and movable parts, and at least one of the fixed parts or movable parts is fastened to a mounting member in the longitudinal direction of the beams by bolts, characterized in that a protruding part or protruding member is provided that protrudes from at least one of the fixed parts or movable parts toward the hollow part of the load cell, and a bolt is screwed into a female thread formed in the protruding part or protruding member to fasten at least one of the fixed parts or movable parts to the mounting member.
本第3発明のロードセルは、一対の平行なビームの両端を互いに固定部および可動部で上下に一体に連ねたロードセルであって、固定部または可動部の少なくとも一方におけるビームの外側には、固定部または可動部の少なくとも一方を取付部材に対してビームの長手方向に締結するボルトを挿通可能とするボルト挿通孔が形成され、該ボルト挿通孔におけるビームの外側の部分には雌ネジが形成されていないことを特徴とする。
The load cell of the third invention is a load cell in which both ends of a pair of parallel beams are connected together vertically via a fixed portion and a movable portion, and a bolt insertion hole is formed on the outside of the beam at at least one of the fixed portion or the movable portion, through which a bolt can be inserted to fasten at least one of the fixed portion or the movable portion to a mounting member in the longitudinal direction of the beam, and a female thread is not formed on the outside part of the beam at the bolt insertion hole.