发明名称 COUNTERBALANCE ASSEMBLY FOR A FOLD OUT RAMP
摘要 A counterbalance for a ramp assembly includes a chain assembly and a sprin g assembly. The spring assembly includes a spring and first and second spring fittings. The first spring fitting restrains a first end of the spring when the ramp portion is between a neutral position and the stowed position and moves the first end of the spring toward a second end of the spring when the ramp portion moves from the neutral positi on toward the deployed position. The second spring fitting is spaced from the first spring fitting and restrains the second end of the spring when the ramp portion is between the neutral position and the deployed position. The second spring fitting moves the seco nd end of the spring toward the first end of the spring when the ramp portion moves fr om the neutral position toward the stowed position.
申请公布号 CA2630568(A1) 申请公布日期 2008.11.04
申请号 CA20082630568 申请日期 2008.05.02
申请人 LIFT-U, DIVISION OF HOGAN MFG., INC. 发明人 MORRIS, DON;JOHNSON, DAVID
分类号 B60P1/43;A61G3/06;E05F7/06 主分类号 B60P1/43
代理机构 代理人
主权项
地址