Installation member for lead guidance channels

Details Installation member for lead guidance channels Installation member for lead guidance channels

1987-04-02

1989-03-07

Friedman, Carl D.

Electricity: conductors and insulators

Feedthrough or bushing

Compression

52221, 174 48, 292 49, H02G 304

Patent

active

048094730

ABSTRACT:
An installation member for service ducts includes a control disk (2) with rotating shaft (16) which is rotatably mounted in a housing (1). Screw thread-type trip cams (3) are formed in the outer side of control disk (2). Two Z-shaped clamping levers (4) are placed in a central longitudinal slot in the bottom of housing (1). The upper arms (6) of the clamping levers (4) each engage in one of the trip cams (3), wherein a bent portion (8) at the end of the arm and a ramp (17) at the trip cam (3) facilitates the conversion of the rotating movement into a tilting movement. The lower arms (5) of the clamping levers (4) engage in one of the longitudinal grooves (19) having an approximately T-shaped cross-section provided on the rear wall (25) of the ducts.

REFERENCES:
patent: 3173227 (1965-03-01), Clark
patent: 3322442 (1967-05-01), Flachbarth
patent: 3911635 (1975-10-01), Traupe
patent: 4264779 (1981-04-01), Rhodes et al.
patent: 4341919 (1982-07-01), Kohaut

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