Cutlery
Patent
1975-05-07
1976-04-20
Wood, Jr., M. H.
Cutlery
187 9E, F16C 2906
Patent
active
039514714
ABSTRACT:
An anti-friction, recirculating ball bearing assembly of minimum thickness particularly contemplated for use between the structural beams of relatively movable upright sections in a fork lift mast unit, each assembly including a first race member having a substantially flat bearing surface and a bearing carrier plate arranged adjacent the first race member and forming therewith a pair of closed loop paths of elongated configuration, each path having a straight line, bearing portion penetrating entirely through the bearing carrier plate, a recirculating path portion being formed partially by the bearing carrier plate and the bearing surface of the first race member. In one embodiment, a flat bearing surface opposite the first race member is formed by a second race member. In another embodiment, the flat bearing surface opposite the first race member is formed by one of a pair of elements supported in relatively movable relation by the bearing assembly. In yet another embodiment, the carrier plate is secured to the first race member together with an intermediate spacer plate, the carrier plate and first race member forming only a single closed loop bearing path.
REFERENCES:
patent: 2664970 (1954-01-01), Warshaw
patent: 3353875 (1967-11-01), Karge
patent: 3819078 (1974-06-01), Walsh
patent: 3844628 (1974-10-01), McCloskey
Caterpillar Tractor Co.
Church Gene A.
Wood, Jr. M. H.
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