Paving machine with extended telescoping members

Details Paving machine with extended telescoping members Paving machine with extended telescoping members

1995-12-12

1997-07-15

Lisehora, James A.

Road structure, process, or apparatus

Apparatus

Material distribution means

404105, 280638, E01C 1900

Patent

active

056476884

ABSTRACT:
A conventional telescoping frame on a paving tractor is provided with fixed male extension members for insertion to and attachment with a telescoping frame member. The conventional telescoping frame includes paired forward and paired rear side-by-side female tube members. Each forward and rear tube member conventionally acts for the telescoping support of male extension members which attach directly to the cylinder and crawler via a side bolster. Within the limits of expansion, the male extension members co-acting with clamps acting through the female tube members provide for both movement of the point of crawler support and expansion of the paving width of the tractor frame. Into this combination, extenders are added for attachment to the supported end of the male extension members interior of the female telescoping members. During frame width expansion, the male telescoping members are expanded to register their ends interior of the female telescoping members to attachment access ports in the female telescoping member. The extenders are inserted, supported, and registered at complimentary attachment apertures with attachment to the males telescoping members taking place. Once attachment has occurred, further extension of the male telescoping members occurs. A simple system of pinned cross-bracing reinforces the extended frame with relatively light bracing members. Provision is made for extender gathering to the male telescoping member interior of the box beams to facilitate ready extender connection.

REFERENCES:
patent: 3970405 (1976-07-01), Swisher, Jr. et al.
patent: 4789266 (1988-12-01), Clarke, Jr. et al.

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