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Bicycle

A bicycle and edge technology, applied in vehicle components, transportation and packaging, rider driving, etc., can solve the problems of weight, disadvantages, and affecting the mileage of bicycle driving devices, etc.

Active Publication Date: 2015-08-12
VTESCO TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Despite the use of aluminum for the housing, due to the demands on the housing, especially in terms of rigidity, the bicycle drive still has a certain bulk and therefore a considerable weight
This is disadvantageous when the bicycle is used for sports in the country or when it is loaded and transported
Another disadvantage is that the weight affects the driving range of the electric bicycle drive

Method used

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Examples

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Embodiment Construction

[0023] figure 1 The housing 1 of an electric bicycle drive of a bicycle is shown, the bicycle frame being shown schematically and briefly. The housing comprises a surrounding edge 2 which is covered by two covers 3 , only the front cover 3 being visible in the drawing. The cover 3 is screwed to the surrounding edge 2 by means of a screw connection 4 not shown in detail.

[0024] in accordance with figure 2 A bracket 5 is provided in the housing 1 of the housing 1, and the bracket accommodates the inserted parts. The built-in part is the electric motor 7, which drives the first gear 8 via a pinion not visible on the motor shaft. The gear 8 is connected with a second gear 10 via a shaft 9 . The gear 10 meshes into a third gear 11 . The third gear wheel 11 is fitted on a crankshaft 12 which passes through the cover 3 of the housing 1 for connecting the pedal crank. The motor 7 and the shafts 9 , 12 of the gearwheels 8 , 10 , 11 are mounted in a holder 13 of the carrier 5 ....

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PUM

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Abstract

The subject matter of the invention is a bicycle with an electric bicycle drive, in which the electric bicycle drive has an electric motor (7) and a gearbox (8-12), which are arranged in a housing (1). The housing (1) is formed from a carrier (5), a peripheral edge (2) and at least one cover (3), wherein the carrier (5) is arranged within the peripheral edge (2) and is connected to the peripheral edge (2) via at least two retainers (16).

Description

technical field [0001] The invention relates to a bicycle with an electric bicycle drive, with the electric bicycle drive having an electric motor and a transmission arranged in a housing. Background technique [0002] Such bicycles, known as electric bicycles, support the rider in riding and are prior art. The housing of the electric bicycle drive houses the electric motor, transmission and all axles. The housing must also be sufficiently rigid to ensure a reliable arrangement of the bicycle drive even under severe driving conditions and to protect the built-in components from splashing water. For this purpose, it is known to design the housing as an aluminum die-cast housing. This housing consists of a solid bowl-shaped section containing the struts for the motor, transmission and shaft. The pot-shaped part is closed by a cover, which is likewise made of aluminum die-cast. Strength and rigidity are achieved in such housings by the base and the peripheral surface of the...

Claims

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Application Information

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IPC IPC(8): B62M6/40
CPCB62M6/55
Inventor L·施罗德E·伯纳德
Owner VTESCO TECH GMBH
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