Joints and connections – With adjunctive protector – broken parts retainer – repair,... – Handle or handwheel
Patent
1991-03-22
1992-04-28
Kundrat, Andrew V.
Joints and connections
With adjunctive protector, broken parts retainer, repair,...
Handle or handwheel
403 59, 248286, B25G 300
Patent
active
051082136
ABSTRACT:
A clamping assembly for connecting a support rod that supports medical accessories to a medical table, the clamping assembly having independently operable adjustments for releasably securing the assembly to the rail of the medical table; controlling the rotational positioning of the support rod; and regulating the longitudinal displacement of the support rod. The assembly includes a cam handle that regulates a camming surface. When the cam handle is rotated the camming surface translates a locking lug within an aperture of the assembly until the locking lug engages the rail of the medical table whereby the assembly is secured to the rail. The locking lug may be released from the rail by rotating the cam handle in the opposite direction. The rotational movement of the support rod relative to the housing of the assembly is controlled by the interaction of a toothed locking ring disposed upon a shaft extending from the housing and a set of circumferentially disposed teeth fixed upon the housing. A compression spring disposed upon the shaft is used to bias the toothed locking ring away from the housing and a locking nut is used to meshingly engage the teeth and secure them into a fixed position thereby preventing the shaft and consequently the support rod from rotating relative to the housing. The support rod is inserted through an aperture within the shaft and a pair of rod locking rings are disposed upon the shaft, one on each side of the aperture. A handle is threaded within the end of the shaft and is used to urge the support rod against one of the locking rings to secure the support rod in position.
REFERENCES:
patent: 3339913 (1967-09-01), Anderson
patent: 3357726 (1967-12-01), Gabrielson
patent: 4018412 (1977-04-01), Kees, Jr. et al.
patent: 4547092 (1985-10-01), Vetter et al.
patent: 4747569 (1988-05-01), Hoshino
patent: 4865484 (1989-09-01), McConnell
Edgewater Medical Equipment Systems, Inc.
Kundrat Andrew V.
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