A - Human Necessities – 01 – B
Patent
A - Human Necessities
01
B
97/82
A01B 15/02 (2006.01) A01B 35/22 (2006.01)
Patent
CA 1257130
SPECIFICATION TO ALL WHOM IT MAY CONCERN: Be it known that I, AUSTIN TIMOTHY RYAN, a citizen of the Commonwealth of Australia, residing at 19 Hewitt Street, Warracknabeal 3393, in the State of Victoria, Commonwealth of Australia r have invented certain new and useful improvements in and relating to "MOUNTING OF PLOUGHSHARES" of which the following is a specification. ABSTRACT OF THE DISCLOSURE A ploughshare assembly includes a ploughshare and a support for the ploughshare. A pair of opposed internal edges defines a recess in the ploughshare. A holder formation on the support includes a foot portion and a pair of grooves adjacent the foot to receive the aforesaid internal edges of the ploughshare so that when the ploughshare is in its working position on the support the foot engages under the ploughshare and retains it in place. An aperture in the ploughspare behind the internal edges is wider than the separation of the edges and is dimensioned to pass the foot when the ploughshare is sufficiently rotated relative to the support and so allow detachment of the ploughshare from the support. Resilient latch means detachably mounted to the support is releasably positionable to engage a detent face on the ploughshare to prevent excessive forward movement of the ploughshare with respect to the support. The support has a forward face which is divided at a ridge into a pair of surfaces which trail rearwardly outwardly from the ridge. The ridge and surfaces serve to divide the material stream thrown up by the share and substantially smoothly deflecting this stream over the surfaces and past the support. An embodiment of ploughshare is of broadly triangular configuration and comprises a body portion and a pair of convergent replaceable marginal strips which are secured to the body portion and define respective forward ground working edges.
506135
Fetherstonhaugh & Co.
Ryan Austin T.
LandOfFree
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