Typebar support

Details Typebar support Typebar support

1974-07-31

1976-04-13

Shapiro, Paul E.

Textiles: fiber preparation

B41J 730

Patent

active

039498522

ABSTRACT:
A typebar support for low cost typewriters includes an arcuate segment supported on a frame where a plurality of typebars are pivotally mounted. The free ends of the typebars are supported by an arcuate support. The support is rockably suspended on the frame by a pair of arms extending from the ends of the support to the frame. The arms are biased upward by a pair of springs and limited in its upward movement by an abutment mounted on the segment. As a typebar returns to rest after a print cycle has been completed, the energy accumulated in the typebar during flight is partially dissipated when it impacts on a yieldable pad on the typebar receiving edge of the support. The remaining energy is absorbed by the rocking motion of the support. The energy dissipation by the yieldable pad combined with the energy absorption by the rockable support results in a typebar support that effectively reduces typebar rebound and the accompanying problems.

REFERENCES:
patent: 989591 (1911-04-01), Felbel
patent: 3042176 (1962-07-01), Brann
patent: 3368659 (1968-02-01), Mumpower

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