Abstract: A movable pipeline construction which includes a first pipe and second pipe connected by a movable joint so as to permit angular and/or transverse movements of the pipes with respect to a common longitudinal pipe axis. Each of the pipes are provided with at least one of connecting ports and branch passages which are interconnected by way of flexible pipeline elements. The flexible pipeline elements may be constructed as flexible tubes, hoses, pipe bundles and/or bellows. Preferably, a stop valve construction is arranged in the pipeline elements to control the flow of the medium therethrough without affecting the flow through the other pipeline elements and/or the first and second pipes.
Type:
Grant
Filed:
December 20, 1976
Date of Patent:
November 28, 1978
Assignee:
Metallschlauch-Fabrik Pforzheim (vorm. Hch. Witzenmann) Gesellschaft mit beschrankter Haftung
Inventors:
Udo Erlenmayer, Reinhard Gropp, Hans Zenn
Abstract: A spring support device has a housing; a coil spring having one end supported in the housing and another end carrying a spring disc; at least two bell crank levers arranged on the spring disc symmetrically to the coil spring; and a fulcrum slidably and pivotally supporting each bell crank lever on the spring disc. Each bell crank lever has a first arm extending from the fulcrum generally parallel to a radial plane of the coil spring and each bell crank lever has a second arm extending from the fulcrum at an angle to the first arm. The first and second arms have an end remote from the fulcrum. A pull rod has one end adapted to carry a load and another end at least indirectly articulated to the end of each first arm. The spring support device further comprises a mechanism for guiding the end of each second arm in a stationary, arcuate path oriented generally parallel to an axial plane of the coil spring.
Type:
Grant
Filed:
April 11, 1975
Date of Patent:
February 8, 1977
Assignee:
Metallschlauch-Fabrik Pforzheim (vorm. Hch. Witzenmann) Gesellschaft mit beschrankter Haftung