Exercise devices – Involving user translation or physical simulation thereof – Treadmill for foot travel
Reexamination Certificate
2005-05-10
2005-05-10
Yu, Justine R. (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Treadmill for foot travel
Reexamination Certificate
active
06890287
ABSTRACT:
A collapsible treadmill includes a base, a treadbase pivotably mounted on the base, a retractable member having a cylinder and a bar fitted into cylinder. The cylinder is pivotably mounted on the base at an end thereof. The bar is pivotably mounted on the treadbase. A sleeve is fitted onto the cylinder and pivotably mounted on the treadbase together coaxially with the bar. A locking member is pivotably mounted on the sleeve and has a stop lug to be inserted into a stop slot of the sleeve. A biasing member keeps the stop lug of the locking member inserted into the stop slot and engaged against an outer periphery of the cylinder. When the treadbase is at a collapsed position, the locking member can be driven to engage against a distal end surface of the cylinder, thereby automatically securing the treadbase to the collapsed position.
REFERENCES:
patent: 6090016 (2000-07-01), Kuo
patent: 6213919 (2001-04-01), Wang et al.
patent: 6261209 (2001-07-01), Coody
patent: 20040132585 (2004-07-01), Chen
patent: 395263 (2000-06-01), None
patent: 472595 (2002-01-01), None
Browdy and Neimark , P.L.L.C.
Nguyen Tam
Yu Justine R.
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