JPH0272672U

JPH0272672U -

Info

Publication number: JPH0272672U
Application number: JP15042488U
Authority: JP
Priority date: 1988-11-18
Filing date: 1988-11-18
Publication date: 1990-06-04

Description

[Brief explanation of drawings]

第１図から第４図は本考案の一実施例を示し、
第１図は一部を断面した平面図、第２図は第１図
中―線に沿う断面図、第３図は渦巻きばねの
正面図、第４図は第１図中―線に沿う断面図
である。第５図から第７図は本考案の他の実施例
を示し、第５図は一部を断面した平面図、第６図
は板ばねの平面図、第７図は第６図中―線に
沿う断面図である。第８図は従来例を一部断面し
て示す平面図である。１１……モータブラケツト、１２，１３……支
持部、１４……ステータ部、２５……メタル軸受
、２６……ピボツト軸受、２８……ロータ、３０
……回転軸、３３……渦巻きばね（付勢ばね）、
３４……リードスクリユー溝、３５……キヤリツ
ジ（被送り体）、３８……板ばね（付勢ばね）。 1 to 4 show an embodiment of the present invention,
Fig. 1 is a partially sectional plan view, Fig. 2 is a sectional view taken along line - in Fig. 1, Fig. 3 is a front view of the spiral spring, and Fig. 4 is a cross section taken along line - in Fig. 1. It is a diagram. 5 to 7 show other embodiments of the present invention, in which FIG. 5 is a partially sectional plan view, FIG. 6 is a plan view of a leaf spring, and FIG. 7 is a line in FIG. 6. FIG. FIG. 8 is a partially sectional plan view of a conventional example. DESCRIPTION OF SYMBOLS 11... Motor bracket, 12, 13... Support part, 14... Stator part, 25... Metal bearing, 26... Pivot bearing, 28... Rotor, 30
... Rotating shaft, 33 ... Spiral spring (biasing spring),
34... Lead screw groove, 35... Carriage (transferred object), 38... Leaf spring (biasing spring).

Claims

[Scope of utility model registration request]

A motor bracket having a pair of support parts, a stator part fixed to one of the support parts, a metal bearing provided to one of the support parts, and a pivot bearing provided to the other support part are used to connect the A stepping motor is provided with a rotor that is rotatably supported by a motor bracket and has a rotary shaft in which a lead screw groove is formed for moving the object between the two supporting parts. A stepping motor characterized in that a biasing spring is provided to apply lateral pressure to the rotating shaft.