Flexible thermoplastic rack bar

Details Flexible thermoplastic rack bar Flexible thermoplastic rack bar

1991-09-13

1992-09-29

Herrmann, Allan D.

Machine element or mechanism

Gearing

Directly cooperating gears

745025, 74 8917, 745016, F16H 2920, F16C 120

Patent

active

051506319

ABSTRACT:
Flexible thermoplastic rack bar for meshing with a gear wheel, particularly for the drive of displaceable vehicle elements, like roof elements, sliding windows, and the like, having a series of supported teeth and a pull-resistant reinforcement embedded essentially parallel to a pitch line of the rack bar. The rack bar teeth are supported on at each lateral side and the reinforcement is disposed only in a cross-sectional area of the rack bar which lies heightwise between the head and the root of the rack bar teeth, preferably, substantially along a central transverse plane of the rack bar.

REFERENCES:
patent: 2986954 (1961-06-01), Werner
patent: 3394410 (1968-07-01), Liebowitz
patent: 3834247 (1974-09-01), Belsdorf et al.
patent: 3854418 (1974-12-01), Bertin
patent: 4598451 (1986-07-01), Ohki
patent: 4690177 (1987-09-01), Gehring et al.
patent: 4919005 (1990-04-01), Schleicher
patent: 4969681 (1990-11-01), Schleicher et al.
patent: 4978165 (1990-12-01), Schreiter et al.
patent: 5056578 (1991-10-01), Helver
patent: 5069080 (1991-12-01), Simon

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