US4435983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handle stem for a bicycle
Assignee: Shimano Inc
•
Filing: 1981-11-10
•
Granted: 1984-03-13
•
Expires: 2001-11-10
Abstract
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.
Inventors
- 👤 Keizo Shimano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:07
CPC Classifications
B; B62; B62K; B62K21/00; B62K21/12; B62J; B62J50/00; B62J50/20; B62J50/21; B62J50/22
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
157 words
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.
Claim 2
Dependent Claim
157 words
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.
Claim 3
Dependent Claim
31 words
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.
Claim 4
Dependent Claim
21 words
A handle stem for a bicycle according to claim 2, wherein said stem body supports said power source for said indicator.
Claim 5
Dependent Claim
30 words
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.
References Cited (Backward Citations)
US2168939A
Cited
GB493023A
Cited
GB694812A
Cited
CH277519A
Cited
US2794166A
Cited
DE1092332B
Cited
US3937629A
Cited
US4068858A
Cited
GB2023321B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-03-13 | 1987-09-12 | 1988-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-13 | 1991-09-12 | 1992-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-13 | 1995-09-12 | 1996-03-13 | $7700.00 | Window Closed / Lapsed |