Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate
2000-10-12
2001-09-18
Boehler, Anne Marie (Department: 3618)
Land vehicles
Wheeled
Occupant propelled type
C280S239000, C280S292000
Reexamination Certificate
active
06290246
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to tandems and, more specifically, to a quick mounting arrangement for tandem, which enables two bicycles to be quickly and detachably connected together to form a tandem.
2. Description of the Related Art Riding bicycles is a favorite sport. A variety of bicycles and tandems are commercially available for recreational activities. A regular tandem has two or more seats for multiple riders. However, because regular tandems are not detachable, they occupy excessive storage space. It is inconvenient to deliver a tandem from place to place, or to keep a tandem at home. Due to these drawbacks, few people would buy a tandem.
SUMMARY OF THE INVENTION
The present invention has been accomplished under the circumstances in view. It is one object of the present invention to provide a quick mounting arrangement for tandem, which enables two bicycles to be quickly connected together to form a tandem. It is another object of the present invention to provide a quick mounting arrangement for tandem, which uses a quick-release mechanism to secure two bicycles together to form a tandem, enabling the two bicycles to be quickly detached from each other according to one aspect of the present invention, the quick mounting arrangement for tandem comprises a pivot holder formed integral with the rear fork of a first bicycle, and a quick-release mechanism installed in the pivot holder to detachably secure the front fork of a second bicycle to the first bicycle after removal of the front wheel of the second bicycle. According to another aspect of the present invention, a retractable link mechanism is coupled between the seat tube of the first bicycle and the head tube of the second bicycle to keep the bicycles positively linked.
REFERENCES:
patent: 579982 (1897-04-01), Jakobson
patent: 598872 (1898-02-01), Hunt
patent: 658406 (1900-09-01), Straub
patent: 1300343 (1919-04-01), Carswell
patent: 2271255 (1942-01-01), Du Bois
patent: 3993320 (1976-11-01), Robinson
patent: 4458908 (1984-07-01), Strong
patent: 5372371 (1994-12-01), Larson
patent: 5860662 (1999-01-01), Bartoshesky et al.
Bacon & Thomas PLLC
Boehler Anne Marie
LandOfFree
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