Patent · US Expired

Oven door hinge

US4138988A · kind A · utility

13Cited by
3References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 21, 1977
Grant dateFeb 13, 1979
Priority date
Expiry dateNov 21, 1997

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05Y2900/308
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A hinge assembly for removably mounting an oven door on the front wall of the cabinet of a food processing oven for movement between open and closed positions with respect to the oven cavity includes a hinge plate mounted in overlying relation with respect to the front wall at one side of the oven cavity, a hinge arm on which the oven door is removably mounted pivotally attached to the hinge plate, a support arm joined pivotally at one end to the hinge arm and extending into the oven cabinet alongside the oven cavity through an aperture in the hinge plate and an aligned aperture in the front wall of the oven cabinet and a spring attached at the opposite end of the support arm and cabinet frame, to bias the oven door to a "closed door" position. The hinge assembly includes the improvement of a permanently affixed stop to prevent damage to the front wall of the oven cabinet after the door is removed from the hinge arm, because of engagement by the hinge arm if the latter is pulled forcibly by the biasing spring toward the front wall. The stop includes a pin mounted on and extending transverse the support arm for engagement with the hinge plate prior to the hinge arm engaging the fron…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.