Overhead trolley

Details Overhead trolley Overhead trolley

1983-05-04

1986-06-03

Foss, J. Franklin

Supports

Suspended supports

Receptacle or bowl

211113, A47H 110

Patent

active

045925275

ABSTRACT:
A trolley for suspending a weight from an overhead track having a pair of spaced, parallel rails or comprising an I beam. The trolley comprises a pair of slide members slidable along the track; friction elements locatable below the track; and arms interconnecting the slide members and the friction elements to suspend a weight therefrom whereby on suspension of a weight from the interconnecting arms at least the friction elements are moved towards the track to lock the trolley in a preselected position along the track.

REFERENCES:
patent: 385493 (1888-07-01), Wood
patent: 812396 (1906-02-01), Bewyer
patent: 927082 (1909-07-01), Smalley
patent: 1796243 (1931-03-01), Coughlin
patent: 1846537 (1932-02-01), Withrow
patent: 2148515 (1939-02-01), Taylor
patent: 2435755 (1948-02-01), Schimpff
patent: 2718852 (1955-09-01), Cacciatore
patent: 2814457 (1957-11-01), Phelan
patent: 2953116 (1960-09-01), Lund
patent: 3006481 (1961-10-01), Gussack
patent: 3191903 (1965-06-01), Wieland
patent: 3321090 (1967-05-01), Greenstadt
patent: 3944180 (1976-03-01), Rogers

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