Laminated elastomeric bearing unit

Details Laminated elastomeric bearing unit Laminated elastomeric bearing unit

1979-12-06

1982-12-28

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Nonmetallic resilient mounting

416141, B64C 2738

Patent

active

043659365

ABSTRACT:
An elastomeric bearing assembly for supporting a rotor blade of a helicopter including a spherical elastomeric section mounted in serial relationship to a pair of frusto-conical elastomeric bearing section on the blade shaft. The frusto-conical bearing section includes two elastomeric bearings having bonded and alternate layers of elastomeric and non-extensible material and are arranged to receive the resulting force vectors in a direction normal to their planar surfaces.

REFERENCES:
patent: 3759632 (1973-09-01), Rybicki
patent: 3764230 (1973-10-01), Rybicki et al.
patent: 3829239 (1974-08-01), Rybicki et al.
patent: 3862812 (1975-01-01), Gorndt et al.
patent: 4028002 (1977-06-01), Finney et al.
patent: 4142833 (1979-03-01), Rybicki et al.
patent: 4203708 (1980-05-01), Rybicki
patent: 4232563 (1980-11-01), Peterson et al.
patent: 4249862 (1981-02-01), Waddington et al.
patent: 4251187 (1981-02-01), Hollrock
patent: 4306836 (1981-12-01), Mayerjak

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