Mazda Motor Corporation

Nishikawa Rubber Co., Ltd.

Katayama Kogyo Co., Ltd.

Ishizaki Honten Co., Ltd.

Tomomi Miyamoto

Yukihiro Moriyama

Teruhiko Takatani

Akio Okayama

Muneharu Yamada

Norifumi Inoue

Yoshihiro Kinoshita

Tooru Waki

Kazuhiro Takagaki

A tensioner arm comprises a tool-engagement portion for engaging with a tensioner-arm rotation tool, and a jig-holding portion which has a through hole for accepting a tensioner-arm fixation bar jig being inserted thereinto from above at a portion of the tensioner arm extending upward from the base end portion. A bearing case comprises a contact face portion which is provided at a face located below the jig-holding portion of the bearing case so as to accept the bar jig being inserted into the through hole of the tensioner arm, and an engagement stair portion which is provided at the contact face portion so as to engage with the bar jig such that move of the tensioner arm toward the belt by the biasing mechanism is restricted. A belt tensioner which enables an easy belt exchanging even by a single worker without detaching surrounding components of the engine can be provided.

Belt tensioner and belt exchanging method of belt tensioner

A door glass guiding structure is provided which can be constituted by using a glass guide member made from a low-priced material such as rolled sheet, and is capable of satisfactorily maintaining required functions. The door glass guiding structurecomprises the glass guide memberwhich is disposed between two door glasses supported side by side on a door for example, the side door) of the vehicle so as to guide the vertical movement of at least one of the door glasses, the core bracketwhich is constituted of a member different from the glass guide memberand is mounted on top end of the glass guide memberso as to extend the length thereof upward, and the guide upper end seal memberattached to cover the external surface of the core bracketso as to provide water-tight sealing on the top ends of the two door glasses.

Door glass guiding structure for vehicle

A four-wheel steering mechanism comprising a front steering disposed outside of a passenger compartment for steering front wheels in accordance with a steering wheel, rear steering mechanism disposed outside of the passenger compartment for steering rear wheels in accordance with the steering amount of the front wheels, and connecting members connected with both the front and rear steering mechanisms and extended longitudinally for transmitting the steering in the front wheels to the rear steering mechanism characterized by the connecting member being provided in the passenger compartment. The steering mechanism can be protected from rusting.

Layout of steering mechanism for four-wheel steering vehicle

Growing community of inventors

Fuchu-cho, Japan

Tomomi Miyamoto