Patent ID: 8459420
Filing Date: 2013-06-11
Classification: B60T

Abstract:
1. 1 . A brake lever assembly comprising: a body having an oil pipe connected to a first end thereof and a storage space, a first room and a second room located in the body, hydraulic oil received in the storage space, a first path communicating between the storage space and the first room, a second path communicating between the first room and the second room, the oil pipe connected to the storage space; a lever being a substantially L-shaped lever and having a pivotal portion, a push portion and an operation portion, the pivotal portion pivotably connected to a second end of the body and the push portion connected to the body and located close to the pivotal portion, the operation portion located opposite to the pivotal portion; a first cylinder unit located in the first room and being connected between the oil pipe and the push portion of the lever, the first cylinder unit having a first piston rod, a first piston and a first resilient member, the first piston rod connected between the first piston and the push portion of the lever, the first resilient member being biased between the first piston and the inside of the body, the first cylinder unit being operated a first travel, and a second cylinder unit located in the second room and having a first end thereof contacting an inside of the body and a second end of the second cylinder unit being connected to the push portion of the lever, the second cylinder unit having a second piston rod, a second piston, a second resilient member and a third resilient member, the second piston rod having a first end connected to the push portion of the lever, a second end of the second piston rod contacts a first end of the third resilient member, a second end of the third resilient member contacting a first end of the second piston, a second end of the second piston contacting a first end of the second resilient member, a second end of the second resilient member contacting the inside of the body, the second cylinder unit being operated a second travel which is longer than the first travel.