F - Mech Eng,Light,Heat,Weapons – 01 – B
Patent
F - Mech Eng,Light,Heat,Weapons
01
B
103/142, 128/84
F01B 1/00 (2006.01) A61M 1/00 (2006.01) A61M 5/145 (2006.01) A61M 5/20 (2006.01) F16H 25/20 (2006.01) A61M 5/168 (2006.01)
Patent
CA 1277179
Abstract of the Disclosure Apparatus for displacing a piston in a chamber comprising a support member, a motor including a housing and a driving member that rotates relative to the housing about a driving axis, the driving member being rotatably mounted with respect to the support member, a torque resistor between the motor housing and the support limiting relative rotation between the two except when the torque between the two exceeds a predetermined amount, a piston driver including a driven portion threadedly connected to the driving member and a displacement portion that is axially displaced in response to relative rotation between the driving member and the driven portion, and a housing rotation detector to detect when the housing rotates relative to the support, indicating resistance to axial movement of the piston driver.
548651
Gambro Inc.
Smart & Biggar
LandOfFree
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