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US 5,631,673 AGranted
Control device
AssigneeOMRON Corporation
InventorsHiroyuki Yamamoto, Takeshi Wakabayashi, Yoshihisa Nakagawa
Life of this patent
Estimating the term…
Abstract
A control device with improved connection between display device and printed circuit board assembly, and improved key switches having beveled keytops. Further, the control device is configured to display the mode of internal manual switches without directly accessing the internal manual switches.
Claims9
A control device, comprising:
- a printed circuit board assembly including a front panel connected to an upper panel, a lower panel and two side panels;
- and
- a display assembly connected to said printed circuit board assembly, said display assembly comprising a casing provided with a pair of top hooks and a pair of bottom hooks extending rearwardly therefrom, said top hooks each having a catch provided by a slot for interconnecting with a respective tab of said upper panel of said printed circuit board assembly, and said bottom hooks each having a pair of catches including a first catch provided by a slot for interconnecting with a respective tab of said lower panel of said printed circuit board assembly and a second catch provided by an oblique member having an edge extending forward from a rearward edge of said second catch, said edge terminating in a forward directed edge interconnecting with a back portion of a respective side tab of said front panel of said printed circuit board assembly.
Dependencies are inferred from the claim text.