초록 ▼

An extendable hand control for a stretcher undercarriage (10) which has height adjustable legs (11, 12). It comprises a handle (19) fitted to an end of a tube (20), slidable within an undercarriage frame member (21). The handle has an associated lever (15) which operates a control cable (14) for adj

An extendable hand control for a stretcher undercarriage (10) which has height adjustable legs (11, 12). It comprises a handle (19) fitted to an end of a tube (20), slidable within an undercarriage frame member (21). The handle has an associated lever (15) which operates a control cable (14) for adjusting the height of the height adjustable legs (11, 12) . The arrangement includes a locking bar (26) within the slidable tube (20) which sets the maximum extendable position of the handle and the fully retractable position of the handle.

대표청구항 ▼

[ I claim:] [1.] An extendable hand grip control arrangement for a stretcher undercarriage, said stretcher undercarriage having a longitudinally-extending frame member and one or more height-adjustable legs connected to said frame member, said frame member having a track at a first end thereof, a fi

[ I claim:] [1.] An extendable hand grip control arrangement for a stretcher undercarriage, said stretcher undercarriage having a longitudinally-extending frame member and one or more height-adjustable legs connected to said frame member, said frame member having a track at a first end thereof, a first hole near said first end thereof and a second hole near a second end thereof, said arrangement comprising:a tube slidable within said frame member;a locking bar positioned within said tube, said locking bar limiting movement of said tube within said frame member between a maximum extendable position of said tube relative to said frame member and a fully retractable position of said tube relative to said frame member;a handle fitted to a first end of said tube, said handle having a manipulable lever connected thereto;a control rod pivotally connected to said handle and extending substantially parallel to said tube;a housing slidably mounted to said track of said frame member, said housing having a pivoting arm which is adapted to lock into said control rod when said tube is in said fully retracted position; and,a spring-biased cable connecting said housing to said height-adjustable legs, wherein moving said housing activates said height-adjustable legs.