1
Allan I Krauter: Hydraulic muscle pump. Welch Allyn, Wall and Roehrig, October 16, 1990: US04962751 (67 worldwide citation)


This invention comprises four hydraulic muscle pumps connected to four hydraulic dynamic muscles in hermetically sealed pairs to transfer tensive forces from a local to a remote location for use in actuating the articulation section of a borescope or endoscope.


2
Allan I Krauter: Hydraulic muscle pump. Welch Allyn, Wall and Roehrig, May 14, 1991: US05014515 (34 worldwide citation)


This invention comprises four hydraulic muscle pumps connected to four hydraulic dynamic muscles in hermetically sealed pairs to transfer tensive forces from a local to a remote location for use in actuating the articulation section of a borescope or endoscope.


3
Krauter Allan I: Hydraulic muscle pump.. Welch Allyn, December 5, 1990: EP0401129-A1 (1 worldwide citation)


A borescope or endoscope comprising an elongated insertion tube (20), an articulation section (16) at a distal end of said insertion tube, and at least a pair of steering cables (26) for bending the articulation section (16), and incorporating an actuation system for transferring linear motion from ...



Click the thumbnails below to visualize the patent trend.