The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 08, 2026
Filed:
Oct. 03, 2023
Sram Deutschland Gmbh, Schweinfurt, DE;
Henrik Braedt, Dittelbrunn, DE;
Sebastian Heyna, Dittelbrunn, DE;
SRAM DEUTSCHLAND GmbH, Schweinfurt, DE;
Abstract
An electric bicycle drive unit is arranged in a bottom bracket area of a bicycle frame. The drive unit includes a bottom bracket assembly having a bottom bracket shaft, an electric motor device and an energy storage device for supplying energy to the motor device. The energy storage device can be arranged in a down tube of the bicycle frame having a closed tube cross-section, and is removable from the down tube coaxially along a longitudinal axis of the down tube. The disclosure also relates to a bicycle frame or frame interface unit respectively, and to an energy storage device for the electric bicycle drive unit. The energy storage device is attached directly to a housing of the motor device or in a common housing of motor device and energy storage device when the drive unit is installed in the bicycle frame in a state ready for operation.