Guided head for a trench brace of trench sheeting devices

Details Guided head for a trench brace of trench sheeting devices Guided head for a trench brace of trench sheeting devices

1974-11-22

1976-04-20

Shapiro, Jacob

Railways

Droppings catcher

49409, 104118, 1042441, E21D 700, E21D 1550

Patent

active

039509524

ABSTRACT:
This disclosure relates to a trench revetment device which includes a hollow post having a wall facing the interior of a trench and with the wall having a generally centrally disposed slot therein. A guiding head is carried by the post for receiving the end of one or more bracing studs and to position such braking stud or studs longitudinally of the post. The guiding head includes a head member disposed within the post and carrying sets of rollers facing in opposite directions and engaging opposite surfaces of the slotted wall. The head member also carries a support element for mounting a bracing stud with the support element extending through the slot.

REFERENCES:
patent: 615176 (1898-11-01), Hillischer
patent: 3425162 (1969-02-01), Halpern
patent: 3580183 (1971-05-01), Nearman
patent: 3621660 (1971-11-01), Krings

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