Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1976-05-21
1977-03-08
Jones, Jr., James L.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
72457, B23P 1904
Patent
active
040105326
ABSTRACT:
A device for use in removing an individual cutting tooth from the reciprocating drive bar of a sickle mower. A substantially U-shaped guide is positioned on the two adjacent guard members of the sickle mower that are located on either side of the individual cutting tooth that is to be removed. A handle is pivotally attached to the guide. A hook member is pivotally attached to the handle at a location above the location where the handle is pivotally attached to the guide. The hook member is positioned so as to grasp a portion of the individual cutting tooth that is to be removed. A strut member is pivotally attached to the handle at a location below the location where the handle is pivotally attached to the guide. The strut member is positioned so as to engage a portion of the reciprocating drive bar adjacent the individual cutting tooth that is to be removed. When the handle is pivoted downwardly, the hook member will pull against the individual cutting tooth which it is grasping and the strut member will push against the portion of the reciprocating drive bar which it is engaging thereby shearing any rivet holding that individual cutting tooth to the reciprocating drive bar and allowing that individual cutting tooth to be removed from the reciprocating drive bar.
REFERENCES:
patent: 1299134 (1919-04-01), Cromptom
patent: 3138977 (1964-06-01), Aitken
patent: 3234634 (1966-02-01), Johnson et al.
Jones Jr. James L.
Walker III John R.
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