Transfer device

US9108512B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9108512-B2
Application numberUS-201114366305-A
CountryUS
Kind codeB2
Filing dateDec 22, 2011
Priority dateDec 22, 2011
Publication dateAug 18, 2015
Grant dateAug 18, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A transfer device capable of performing switching between a two-wheel drive mode or a standby four-wheel drive mode and a full-time four-wheel drive mode is provided with: a center differential which comprises a differential mechanism including one side gear coupled to rear wheels and the other side gear capable of transmitting power to a spline piece coupled to front wheels, and a differential case coupled to an engine; a switching sleeve which is movable between a first position at which the differential case and a hub are engaged and a second position at which the hub and the spline piece are engaged; and a control clutch which engages and disengages a rear wheel output shaft coupled to the one side gear and the spline piece.

First claim

Opening claim text (preview).

The invention claimed is: 1. A transfer device to be mounted on a four-wheel drive vehicle capable of selectively switching a two-wheel drive state or a four-wheel drive state to distribute and output power outputted from a drive power source to main drive wheels and auxiliary drive wheels, the transfer device comprising a center differential having a differential mechanism including one output member connected with the main drive wheels, a transmission member connected with the au…

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What does patent US9108512B2 cover?
A transfer device capable of performing switching between a two-wheel drive mode or a standby four-wheel drive mode and a full-time four-wheel drive mode is provided with: a center differential which comprises a differential mechanism including one side gear coupled to rear wheels and the other side gear capable of transmitting power to a spline piece coupled to front wheels, and a differential…
Who is the assignee on this patent?
Imafuku Mizuki, Toyota Motor Co Ltd
What technology area does this patent fall under?
Primary CPC classification B60K23/08. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Aug 18 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).