1
Bryan D Gill: Extension arm for an automobile jack. Seeburn Metal Products, Nixon & Vanderhye, January 17, 1995: US05381707 (17 worldwide citation)

A lifting jack for automobiles has an extension arm with a particular fastener which may be used to connect longitudinally elongated tubular sections. A series of interlocking sections are provided which need not be identical (e.g. in particular having different ends). The sections are linked in a p ...


2
Bryan D Gill: Extension arm for an automobile jack. Seeburn Metal Products, Nixon & Vanderhye, August 24, 1993: US05237890 (8 worldwide citation)

A lifting jack for automobiles has an extension arm with a particular fastener which may be used to connect longitudinally elongated tubular sections. A series of interlocking sections are provided which need not be identical (e.g. in particular having different ends). The sections are linked in a p ...


3
Bryan D Gill: Half scissor jack structure. Ventra Group, Pillsbury Madison & Sutro, November 23, 1999: US05988594 (5 worldwide citation)

A jack configuration, which may be characterized as a half scissor jack, which achieves the objects of simplifying manufacture by reducing component parts and limiting overall size of the jack while providing the requisite load bearing and height variation characteristics appropriate to the intended ...


4
Bryan D Gill: Pinless jack. Ventra Group, Cushman Darby & Cushman Intellectual Property Group of Pillsbury Madison & Sutro, December 2, 1997: US05692730 (3 worldwide citation)

This invention relates to the construction of a pantograph jack and, in particular, to an improvement in the construction of a pantograph jack wherein the pins connecting the arms to the base and load rest of the jack are replaced with extrusions emanating from those parts. In particular, the pantog ...


5
Bryan D Gill: Tubular D-shaped trunnion. Ventra Group, Cushman Darby & Cushman Intellectual Property Group of Pillsbury Madison & Sutro, December 2, 1997: US05692732 (1 worldwide citation)

This invention relates to the construction of pantograph jacks and, in particular, relates to the construction of an improved trunnion for connecting the pantograph jack arms to the drive shaft. In particular, a pantograph jack is disclosed that has at least one joint including an end of an upper ar ...


6
Bryan D Gill: Pinless jack. Ventra Group, Pillsbury Madison & Sutro, January 11, 2000: US06012706 (1 worldwide citation)

This invention relates to the construction of a pantograph jack and, in particular, to an improvement in the construction of a pantograph jack wherein the pins connecting the arms to the base and load rest of the jack are replaced with extrusions emanating from those parts. In particular, the pantog ...


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