Mechanical device for locking and unlocking the bread holder of

Details Mechanical device for locking and unlocking the bread holder of Mechanical device for locking and unlocking the bread holder of

1990-01-25

1992-02-04

Hornsby, Harvey C.

Foods and beverages: apparatus

Cooking

Slice toaster or broiler

99329R, A47J 3708

Patent

active

050851365

ABSTRACT:
A toaster having a bread holder (17) mounted to slide vertically in the toaster, has a mechanical device (25) for locking and unlocking the bread holder (17). This device (25) enables the holder (17) to be locked in a low position, and a return spring is provided for raising the holder (17). The mechanical device (25) comprises an upper connecting rod (56) articulated with a lower connecting rod (57) by a common articulation (59), an end of the upper connecting rod (56) opposite the common articulation (59) being articulated at a fixed point (58) and an end of the lower connecting rod (57) opposite the common articulation (59) being articulated with the holder (17). An intermediate lever (42) is articulated with the upper connecting rod (56), and a spring (63) acts on the intermediate lever (42) for retaining the holder (17) in the low position. An end of the intermediate lever (42) comprises a tip (24) which is engageable with a retaining catch (45) when the holder (17) is moved into the low position. The tip (24) and catch (45) are applied against each other under a substantially horizontal force (F.sub.7) resulting from the upwardly exerted force (F.sub.5) of the return spring of the holder (17).

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patent: 3684860 (1972-08-01), Snyder
patent: 3869970 (1975-03-01), Eagle
patent: 4402258 (1983-09-01), Guarnerio

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