Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Components for clock movements

一种钟表机芯、外表面的技术，应用在非磁性枢转心轴,叉轴以及擒纵齿轴,摆轴领域，能够解决合金昂贵、高成本、难机加工枢转心轴等问题，达到磁场敏感性低、耐冲击性优异的效果

Active Publication Date: 2022-05-24
NIVAROX FAR
View PDF11 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these alloys may show difficulty in machining for pivoting mandrels
Furthermore, these alloys are relatively expensive due to the high cost of nickel and cobalt

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Components for clock movements
  • Components for clock movements
  • Components for clock movements

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] In this specification, the term "non-magnetic" refers to a paramagnetic or diamagnetic or antiferromagnetic material with a magnetic permeability lower than or equal to 1.01.

[0030] An alloy of an element is an alloy that includes at least 50% by weight of that element.

[0031] The present invention relates to a component for a timepiece movement, and in particular to a non-magnetic pivoting spindle for a mechanical timepiece movement.

[0032] The present invention will be described below with reference to the application of the non-magnetic pendulum shaft 1 . Of course, other types of timepiece pivoting spindles are also conceivable, such as a timepiece wheel set spindle, typically an escape pinion or a fork. Such a member has a body preferably less than 2 mm in diameter and a pivot preferably less than 0.2 mm in diameter, with a precision of a few microns.

[0033] refer to figure 1 , which shows a pendulum shaft 1 according to the invention comprising a plural...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Rockwell hardnessaaaaaaaaaa
Rockwell hardnessaaaaaaaaaa
Rockwell hardnessaaaaaaaaaa
Login to View More

Abstract

The invention relates to a pivot arbor (1) for a timepiece movement, comprising at least one pivot (3) at at least one of its ends, the pivot (3) being composed of The first non-magnetic metallic material (4) is made so as to limit its sensitivity to magnetic fields. At least the outer surface of said pivot (3) is covered with a layer (5) of a second material selected from the group comprising Ni and NiP, and preferably chemical NiP. The invention relates to the field of watch movements.

Description

technical field [0001] The present invention relates to a component for a timepiece movement, and in particular to a non-magnetic pivot arbor for a mechanical timepiece movement, and more particularly to a non-magnetic balance shaft, fork shaft and escape pinion. Background technique [0002] Manufacturing pivot mandrels for timepieces involves performing a bar-turning operation on a hardenable steel bar to define various working surfaces (bearing surfaces, shoulders, pivots, etc.) and then subjecting the bar-turned mandrel to a heat treatment , the heat treatment includes at least one hardening operation to increase the hardness of the mandrel and one or more tempering operations to increase the toughness of the mandrel. The heat treatment operation is followed by an operation of rolling the pivots of the mandrel, which includes polishing the pivots to the required dimensions. The stiffness and roughness of the pivot portion are further improved during the rolling operatio...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G04B1/16G04B13/02G04B15/14
CPCG04B13/026G04B1/16G04B15/14G04B13/02G04B17/32G04B43/007G04B29/00G04B13/022
Inventor A·弗辛格C·沙邦M·韦拉尔多
Owner NIVAROX FAR
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com