Abstract: A cage for rolling bodies of a rolling bearing, which has a first side ring, a second side ring axially spaced from the first side ring, and at least two webs, which connect the first side ring to the second side ring and among each other form a pocket for one of the rolling bodies. At least one of the webs has a first web part disposed at the first side ring and a second web part disposed at the second side ring, and a center web part offset with respect to the first and second web parts. The cage is configured such that it can withstand mechanical stresses via a support element which is provided and which supports the first web part and the second web part and connects the two side rings.

Abstract: In a method and apparatus for determining the economic feasibility for an operator to acquire a further medical-technical apparatus, or a replacement of an existing medical-technical apparatus, an analysis device has access to data representing usage of said existing medical-technical apparatus, data characterizing a remuneration of the operator from the usage of the existing medical-technical apparatus, and data representing operational costs of the operator. The analysis device determines a profitability of the existing medical-technical apparatus and dependent on that profitability, together with the aforementioned data, determines the profitability of acquiring the further device, or the replacement device.

Abstract: The present antenna mast is constructed to telescope in response to pneumatic pressure. For this purpose a bottom tubular section has a pressure inlet and each further tubular section has a lower end fitting as a piston into the next lower section. Each piston has a passage for a gas under pressure into the next higher section. The upper end of the uppermost section is closed. The antenna is retracted by venting the bottom tubular section.