Step exercise bench with ratcheting height adjustment
Patent 5683331 Issued on November 4, 1997. Estimated Expiration Date: 
December 21, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 21, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorAssigneeApplicationNo. 360562 filed on 12/21/1994US Classes:482/52, Stair climbing248/421, Toggle or link248/422, Geared297/423.45, Rectilinearly in vertical direction482/51INVOLVING USER TRANSLATION OR PHYSICAL SIMULATION THEREOFExaminersPrimary: Donnelly, JeromeAttorney, Agent or FirmInternational ClassA63B 021/00AbstractA step exercise bench includes a platform and has ratcheting support members providing for adjustment of the height of the platform. The platform has opposite ends with a pawl mounted proximate thereto. A pair of pivotally connected support members are disposed below the platform between the ends. Each support member has ratchet steps formed thereon. The pawls selectively engage ratchet steps. The support members have floor members extending below the ratchet means, for resting on a support surface such as a floor. Springs urge the pawls into selected steps formed in the support members.Other References
Field of SearchINVOLVING USER TRANSLATION OR PHYSICAL SIMULATION THEREOFStair climbing ADJUSTABLE SUPPORT FOR ENTIRE BODY OF USER (E.G., BENCH, SLANT BOARD, ETC.) PADDED STOOL Hassock type Rectilinearly in vertical direction Pivotally adjustable about horizontal axis CONVERTIBLE Reorientatable support Support becomes inoperative Alternately usable legs Vertically adjustable Elevating or leveling device Geared Vertical movement | |
