Handle stem for a bicycle

• US 4,435,983 A
• Filed: 11/10/1981
• Issued: 03/13/1984
• Est. Priority Date: 11/22/1980
• Status: Expired due to Fees

• Current Assignee: Shimaono Industrial Company Limited (Shimano Inc)
• Original Assignee: Shimaono Industrial Company Limited (Shimano Inc)
• Inventors: Shimano, Keizo
• Primary Examiner(s): Goldberg, Gerald
• Assistant Examiner(s): NOLAND, THOMAS
• Application Number:
  US06/320,105
• Time in Patent Office: 854 Days
• Field of Search: 116/62.4, 116/62.1, 116/62.2, 116/62.3, 116/28 R, 73/493, 73/495, 340/134, 340/135, 280/289 R, 280/289 H, 74/551.8
• US Class Current: 73/493
• CPC Class Codes: B62J 50/22 electronic, e.g. displays
• CPC Class Codes: B62K 21/12 Handlebars; Handlebar stems

Abstract

A handle stem for a bicycle, comprising a stem body, a projecting portion extending from the top of said stem body radially outwardly thereof, and a holding portion for a handle bar, provided at the foremost end of the projecting portion, so that a hollow, which is provided therein, houses an indicator electrically displaying running conditions of the bicycle.

Claims

1. A handle stem for a bicycle, which carries a handle bar, said handle stem comprising

a stem body,

a projecting portion extending from a top of said stem body radially outwardly thereof, said projecting portion containing an opening in an upper surface thereof and

a holding portion provided at a foremost end of said projecting portion and having an insertion bore for said handle bar,

said projecting portion being provided with an indicator comprising:

a display unit which electrically displays running condition of the bicycle;

electronic components; and

a power source;

said projecting portion containing a first hollow area located below said upper surface and opening therein, said first hollow area housing therein said electronic components of said indicator, said display unit of said indicator being mounted above said first hollow area and over said opening, electronically connected to said electronic components through said opening, and exposed to view on a top surface of said projecting portion.

2. A handle stem for a bicycle according to claim 1, wherein said stem body contains a second hollow area and said second hollow area is open inwardly of said stem body.

3. A handle stem for a bicycle according to claim 2, wherein said stem body supports said power source for said indicator.

4. A handle stem for a bicycle according to claim 1, wherein the foremost end portion of said projecting portion rises slantwise with respect to the top of said stem body.