Knife edge bearing system

Details Knife edge bearing system Knife edge bearing system

1980-09-02

1982-11-30

Footland, Lenard A.

Cutlery

F16C 3202

Patent

active

043613659

ABSTRACT:
An upper disk which is fixed to a tiltable arm and is formed with a groove in its circular peripheral surface is engaged with and seats between two lower circular disks having mating V-shaped knife edges, the two lower disks being fixed to a support. A second upper disk on the tiltable arm also has a groove in its circular peripheral edge and is in engagement with a lower disk on the support, the lower disk having a V-shaped knife edge. The two upper disks and the three lower disks provide three point contact to prevent orthogonal lateral and axial movement of the arm with respect to the support and to avoid friction engagement between the two sets of disks while providing accurate means for relocating the arm to its previous position after the arm has been raised, that is, when the upper disks are returned to their mating position with the lower disks after having been disengaged therefrom.

REFERENCES:
patent: 2936994 (1960-05-01), Lan
patent: 3096839 (1963-07-01), Van Mastrigt
patent: 3421595 (1969-01-01), Kuhnle
patent: 3453545 (1969-07-01), Oates
patent: 3758173 (1973-09-01), Bucher
patent: 3815695 (1973-09-01), Schwarz
patent: 4321122 (1982-03-01), Whitcomb

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