Machine element or mechanism – Control lever and linkage systems – Hand operated
Patent
1984-03-26
1986-02-25
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Hand operated
74531, 280775, 403370, 411 55, B62D 118
Patent
active
045720231
ABSTRACT:
A telescoping steering shaft includes a first shaft (16) having a polygonal-shaped bore (18) receiving for reciprocation therein a polygonal-shaped second shaft (12) having a tapered end (13). The polygonal-shaped second shaft (12) has a through axial opening (14) receiving a connecting rod (20) therein, the rod having a nut-shaped end (26) located adjacent the tapered end (13) of the second shaft (12) and the other end (15) being threaded to receive a lever (24) thereon. A collet nut (31) is mounted on the rod (20) adjacent the nut-shaped end (26) and has a plurality of axially extending projections (36) each including at least one surface (37 or 38) disposed parallel to an adjacent surface of the polygonal bore (18) and an interior axially inclined surface (35) disposed adjacent the tapered end (13). Rotation of the lever (24) about the rod (20) axially displaces the rod toward the lever which causes the inclined surfaces (35) of the projections (36) to engage the tapered end (13) and bias the projections (36) outwardly into engagement with the adjacent parallel surfaces of the bore (18), thereby eliminating torsional lash and axial movement between the shafts (12, 16).
REFERENCES:
patent: 777399 (1904-12-01), Church
patent: 2331996 (1943-10-01), Maurer
patent: 2430524 (1947-11-01), Miller
patent: 2555515 (1951-06-01), Slater
patent: 3188880 (1965-06-01), Caine
patent: 3434368 (1969-03-01), Runkle
patent: 3791223 (1974-02-01), Treichel
patent: 3874701 (1975-04-01), Soong
patent: 4113395 (1978-09-01), Pawsat et al.
patent: 4347757 (1982-09-01), Martin
patent: 4418582 (1983-12-01), Martin
Abstract of 3,276,287, Official Gazette, 10-4-66.
Allied Corporation
Decker Ken C.
Herrmann Allan D.
Palguta Larry J.
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