초록 ▼

A folding step for vehicles, and specifically for use on the front bumpers of large semitrailer tractors. The step is used for servicing the vehicles, for example, cleaning the windshield and the like and yet will permit the step to be folded up very quickly for transport position. It also may be us

A folding step for vehicles, and specifically for use on the front bumpers of large semitrailer tractors. The step is used for servicing the vehicles, for example, cleaning the windshield and the like and yet will permit the step to be folded up very quickly for transport position. It also may be used as an entrance step for vehicles. The step automatically locks under spring pressure in either its usable or stored positions, and thus minimum time is utilized in operating the step, and safety is enhanced.

대표청구항 ▼

A folding step for use in connection with a vehicle comprising a tubular upright support member, means to attach said upright support member to a vehicle in a desired position, a second support member telescopingly fitting into said upright support member, a tread member operatively mounted on said

A folding step for use in connection with a vehicle comprising a tubular upright support member, means to attach said upright support member to a vehicle in a desired position, a second support member telescopingly fitting into said upright support member, a tread member operatively mounted on said second support member, means to pivotally mount said upright support member and said second support member together adjacent the upper end of said upright support member, a strut pivotally connected at one end to said upright support member and at the other end to said second support member at location spaced from the upright support member, said strut comprising an extendable support member which has a minimum length and being adapted to carry compression when the second support member is generally horizontal, said means to pivotally mount said second support member to said upright support member permitting said second support member to be moved to a position generally parallel to said upright support member and then to move to a latched position, and bias means to urge said second support member to its latched position when it is generally parallel to said upright support.