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Lever escapement assembly for timepiece movement

A technology of escapement and clock movement, applied in escapement, clock, mechanically driven clock, etc., can solve problems such as damage to the escapement fork

Active Publication Date: 2020-12-22
爱彼制表公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is then the risk of an abrupt stop of the escapement and thus of the corresponding horological movement, and even of damage to the pallet

Method used

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  • Lever escapement assembly for timepiece movement
  • Lever escapement assembly for timepiece movement
  • Lever escapement assembly for timepiece movement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] Figure 1a , Figure 1b and Figure 2a , Figure 2b A simplified top view on the one hand and a partial side view on the other hand of a type of timepiece movement for a conventional Swiss lever type and a timepiece movement according to a preferred embodiment of the present invention are shown respectively. A comparative study of these different views makes it possible to highlight the structural features which distinguish the assembly of parts according to the invention from the assembly of parts according to the most commercially widespread prior art.

[0025] in a known way, Figure 1a and Figure 2a The Swiss lever escapement 100 shown in includes an escape wheel 102 fastened to an escape wheel 104 and adapted to engage a pallet intended to pivot on its pallet axis 112 The entry pallet 106 and exit pallet 108 of 110 cooperate. A lever 114 connects the pallets 106 , 108 to a pallet prong whose entrance is delimited by two prongs 116 . The top of the pallet yoke...

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PUM

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Abstract

The invention relates to a lever escapement assembly for a timepiece movement. The escapement mechanism (1) comprises a pallet (10), a roller (24) and a pin (32) fastened to the roller (24) intended to cooperate with one other. The pallet (10) has no protective pin and comprises a pallet fork head intended to cooperate with the pin (32) and the roller (24), the pallet fork head comprising a firstfork angle (16) and a second fork angle (18) defining an entrance to the pallet. The roller (24) has an anti-collision pendulum wall, in which a recess (26) is formed in the region adjacent to the pin(32); the pallet (10), the roller (24) and the pin (32) are designed and dimensioned in such a way that, in the working position, the anti-collision pendulum wall can define an abutment for the firstfork angle (16) and the second fork angle (18) and only when the pin (32) is at least partially located in the entrance of the pallet fork head can each fork angle (16, 18) be inserted into the interior of the recess (26).

Description

technical field [0001] The invention relates to an assembly for a lever escapement, comprising a pallet, a roller and a pin fastened to the roller, the pallet, roller and pin intended to cooperate with each other and with the escapement in the working position wheel cooperating while safely resisting the swing, the pallet has no guard pin and comprises on the one hand an entry pallet and an exit pallet intended to cooperate alternately with the escape wheel, and on the other hand comprises a pallet fork , the pallet yoke is intended to cooperate with a pin and a roller and comprises a first prong and a second prong delimiting the inlet of the pallet yoke, in the direction of the thickness of the roller, the roller being at least partially located at the same level as the pin At the level of , the roller has a rocker wall of generally cylindrical shape in which a notch is formed in the area adjacent to the pin, the pallet, roller and pin are constructed and dimensioned in such ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G04B15/14G04B15/08
CPCG04B15/14G04B15/08
Inventor G·帕皮
Owner 爱彼制表公司