Manually reciprocative section of an electronic apparatus

Details Manually reciprocative section of an electronic apparatus Manually reciprocative section of an electronic apparatus

1983-05-17

1986-06-17

Malzahn, David H.

Boots, shoes, and leggings

312333, 361391, G06F 100, G21H 100, H05K 716

Patent

active

045959935

ABSTRACT:
A manually reciprocative section of an electronic apparatus including a programmable calculator comprises a spring, a lock element, and a lock release element. The reciprocative section is drawn out of and enclosed into the housing of the electronic apparatus. The spring shows a maximum stroke when the reciprocative section is fully enclosed within the housing and a minimum stroke when the reciprocative section is fully drawn out of the housing. The reciprocative section carries a keyboard etc. to store it when it is in no use. The lock means comprises a lock lever secured on the housing of the apparatus, and a cavity for capturing and releasing the lock lever in response to the movement of the reciprocative section.

REFERENCES:
patent: 3732965 (1973-05-01), Mero
patent: 3760171 (1973-09-01), Wang et al.
patent: 3855432 (1974-12-01), Kelly et al.
patent: 3918752 (1975-11-01), Leone et al.
patent: 4086655 (1978-04-01), Tanimoto et al.
patent: 4117542 (1978-09-01), Klavsner et al.
patent: 4159153 (1979-06-01), Yoshikawa

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