US1568042A - Inclosed switch - Google Patents

Description

H. M. ERGADWELL ENCLOSED SHTCH Filed Fab.

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ego @c i e by o so io asls@ ljomy the for stud 24C and 'Uil'ust 'oi'i Zi bac devia ions H19 ns im"- 11 be obv ation of ea e key. s W1 a Iot Wi ko f m h3 il iriove the the movemento ill) o open ,l sorted witi und lui'noci I' about tho should@ ft and just as the hook ofjiod .iS in ile C is` in 2li "23 mid'iixm'e,

i', o, mh 8 le inclined S toward the le hth Thi md m ie eccentric wf; rd t tilts h ove pwzu

8 1 9 u 2Q by s releases the Covo As tho cowr at i ises it slighh'. Lgain closed iii@ pin 9 eng: les he inclined or 520 so :iS to i'iitMm l and causo ito fol Td tho right thus nomini po ne imi fili;

rcllii'ning it shown iii ion sinon whore ibo fric parts holds thoi 11i If he @over is opened h@- wiii? of niger l5 spi-mg l?) will press noi ne: u

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12% ti i cuit position..

die shoulder tion ie operai-lolA @Hooij on @he nime *die hoo Shoulder i Kumi liv modified momo] d propoi:

has no 'in hat l 15 is intmiockeii with nilo pin uftioo it Wi .i of tho, en maori le Cover iw. 1o unusual z 1,' cd a rod 'Ming Il' consti Covey and pin mvo not be movement of ho iis form i ousi'uc' huis xtc-1i 8 when die switch 1S w swiiich oom hook 13 of the ,i

the open i il itch in e parte: shown .in @y 2"( and i;

omit position, simo at t linger 50 on i fiition the (il O ti i that ill w viii d the supgx is, und iie hoy guide.

11 Switch, :i 'Dori pivoioci hitch for iizoxio iii'isi Irwin Gili nien-ii" vion of the '1" opp( imi if )Seti :wf

il i? loro ish mi@ i ti ici g of im for said box, a switch in said box, said box and cover members being provided with un internal interlocking lmeans to prevent the opening of the cover when the switch is closed and an externally accessible keyopei'ated eccentric means for disengaging the said interlocking means when the switch is in the closed position,` the key operated means being provided with an external, 'freely rotatable guard member.

10. In an inelosed switch, a box, a cover for said box, a switch in said box, an internal lateliing means supported by said box members to prevent the opening 0i the cover when the switch is closed, and an externally accessible key operated means for disengagingr the said latehing means to permit tlie opening of the cover when the switch is in the closed position, the said key operated means including aiiexternal, freely rotatable guard member.

l1. In an inclosed switch, a box, a cover for said box, a switch in said box, an internal latehing means supported by said box members to prevent the opening of the cover when the switch is closed` and an externally accessible key operated means for disengaging the said latching means to permit the opening of the cover when the switch is in the closed position, the said key operated meaus including a thrust rod for engaging the said latehing means and an eccentric member for operating the thrust rod, said latehing means being automatically reset by the closing of the cover.

l2. ln an inelosed switch, a box, a switch in the box, a cover for the box, internal latching means carried bythe box members to prevent the openin of the cover when the switch is closed an( an externally accesq sible key operated eccentric means for ren dering the latehing means temporarily iii` effective and including a freely rotatable guard for the externally accessible operating means.

'1.8. In an inclosed switch, a box having a hinged cover, a movable switch member within the box.y an operating member therefor, a latch for holding said cover closed when the switch is closed, a key actuated means for moving said latch to free said cover when the switch is closed, said mov.

HARRY M. BROADVVELL.

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