Pivotable screw jack drive

Details Pivotable screw jack drive Pivotable screw jack drive

1987-12-08

1989-11-21

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

74 8915, 744248R, 74425, 74479, 350637, F16H 2520, G02B 718, G05G 1100

Patent

active

048814180

ABSTRACT:
A pivotable screw jack drive for a tiltable element (11, 12) such as a rear view mirror of a motor vehicle, wherein a motor driven worm wheel (31) also performs the function of a jacking nut (29) which rotates about a jacking screw (35), the projecting end (41) of the jacking screw being connected to the tiltable element (11,12) for universal pivotal movement but being restrained against relative rotation, the jacking nut (29) being mounted in a housing (22) with a ball joint so that the nut and screw pivot as an assembly.

REFERENCES:
patent: 2311972 (1943-02-01), Simpson
patent: 3069924 (1962-12-01), Watanabe et al.
patent: 3978735 (1976-09-01), Repay et al.
patent: 4482211 (1984-11-01), Fisher
patent: 4498738 (1985-02-01), Kumai
patent: 4509382 (1985-04-01), Colautti et al.
patent: 4598605 (1986-07-01), Manzoni

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