Adjustable support for pressure fixing rollers

Claim 1

IN AN ELECTROSTATIC PRINTING SYSTEM IN WHICH A FLEXIBLE TAPE HAVING CONDUCTIVE PARTICLES ADHERING TO INDIVIDUALLY CHARGED AREAS IN DISPLACED ALONG A GIVEN PATH, A PRESSUREFIXING ARRANGEMENT COMPRISING: A FIRST ROLLER POSITIONED TO ONE SIDE OF THE TAPE PATH; A SECOND ROLLER POSITIONED TO THE OTHER SIDE OF THE TAPE PATH; MEANS FOR SUPPORTING ONE OF SAID ROLLERS FOR MOVEMENT RELATIVE TO THE OTHER OF SAID ROLLERS, TO PROVIDE A COMPRESSIVE FORCE ALONG A LATERAL AREA BETWEEN THE ROLLERS; AND A SINGLE RESILIENT BIASING ASSEMBLY COMPRISING AT LEAST TWO INTEGRAL ELEMENTS, ONE OF SAID ELEMENTS BEING INDIVIDUALLY ADJUSTABLE TO REGULATE THE COMPRESSIVE FORCE ONLY ACROSS A FIRST PORTION OF THE LATERAL AREA AND THE OTHER OF SAID ELEMENTS BEING INDIVIDUALLY ADJUSTABLE TO REGULATE THE COMPRESSIVE FORCE ONLY ACROSS THE REMAINING PORTION OF SAID LATERAL AREA, THEREBY TO PROVIDE A UNIFORM FIXING PRESSURE FOR TAPES OF DIFFERENT WIDTHS.