Joints and connections – Interfitted members – Including separably interposed key
Patent
1988-07-05
1989-06-06
Kundrat, Andrew V.
Joints and connections
Interfitted members
Including separably interposed key
403259, 411546, 74553, B25G 328
Patent
active
048367087
ABSTRACT:
A retaining washer (100) prevents the rotation of a D-shaped shaft (106) which is mounted in a round hole (105a) of a housing (105). The retaining washer includes a substantially flat washer (101) having a hole (101a). A tapered tab (102) includes a wide end (102a) and a narrow end (102b). The tab is attached to the flat washer at the wide end such that the tab is substantially perpendicular to the flat washer. A gusset (103) is attached between the tab and the flat washer. The gusset includes a lower edge (103a) which is positioned at an obtuse angle (104) relative to the flat washer. The gusset indents into the housing (105b) and the tab is forced against the flat portion (106b) of the D-shaped shaft. The upper left and right edges of the tab cut into the wall of the housing hole (105c and 105d).
REFERENCES:
patent: 1194426 (1916-08-01), Richey
patent: 2625054 (1953-01-01), Bauman
patent: 2733942 (1956-02-01), Palmer
patent: 2880641 (1959-04-01), Sislik
patent: 3154051 (1964-10-01), Durst et al.
patent: 3558165 (1971-01-01), Lundergan
Chambers Randall P.
Dzung John C.
Gatto Donald F.
Kundrat Andrew V.
McKinley Martin J.
Motorola Inc.
Nichols Daniel K.
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