US932883A - Push-button electric switch. - Google Patents

Push-button electric switch. Download PDF

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Publication number
US932883A
US932883A US4623020?A US932883DA US932883A US 932883 A US932883 A US 932883A US 932883D A US932883D A US 932883DA US 932883 A US932883 A US 932883A
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US
United States
Prior art keywords
spring
detent
electric switch
push
contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US4623020?A
Inventor
Lembert H Moulthrop
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PERKINS ELECTRIC SWITCH Manufacturing Co
Original Assignee
PERKINS ELECTRIC SWITCH Manufacturing CO
Publication date
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/60—Angularly-movable actuating part carrying no contacts
    • H01H19/635—Contacts actuated by rectilinearly-movable member linked to operating part, e.g. by pin and slot

Definitions

  • Figure I is a perspective 0 the operating mechanism of a switch in which my invention is illustrated; 2 is a perspective of the detent device drawn to a larger scale; Fig. 3 is a rear elevation of the operating mechanism;
  • Fi 4 is a perspective of a modified form of detent.
  • the present invention will be readily 1111 E lerstood by those skilled in the art without llustrating the usual porcelain shell and its common accessories.
  • the operating mechanism carried by the usual standard B, riveted to the yoke A' comprises an oscillating contact piece G mounted on the spindle D, and a cooperating rock lever E adapted to actuate the former through the spring S in the usual manner by means of lugs c and e embraced by the ends of the spring.
  • My improved detent as shown in Figs. 1 to 3 comprises a spring X mounted on the contact member and extending with the lug into the slot T in the standard.
  • the slot T is provided with notches 2'; into which the spring X. naturally rises at the end of the stroke across the slot.
  • I may make the lug c itself of spring metal and so form it that iteprings into the notches It in like manner as the spring X at the end of the switch stroke.
  • an electric switch ah oscillating contact-carrying member and a detent moving therewith, said detent. comprising a spring which itself acts directly as the retalning member, in combination with means for freeing said detent.

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  • Push-Button Switches (AREA)

Description

L. H. MOULTHROP.
PUSH BUTTON ELECTRIC SWITCH.
nruonmn mum nov. 12, was.
Patented Aug. 31, 1909.
FNVENTCR WflMoMt/fw 14 TTORNE Y5 UNITED STATES PATENT OFFICE.
LEHBEBT H. H'OULTHROP, 0F BRIDGEPOBT, OONNE J'I'IGU'I, ASSIGNOB TO THE PERKINS ELEG- TBIG BWITOH MFG. OOHPANY, 0F BBIDGEPORT, CONNECTICUT, A CORPORATION OF GON- nEc'rIcU'r.
PUSH-BUTTON ELECTRIC SWITCH.
Application filed November 12, 1908. Seriai No. 462,802.
To all whom it may concern:
Be it known that I, Lmirnnn'r H. MOUL- 'rnnor, a citizen of the United States of- In the accom anying drawings Figure I is a perspective 0 the operating mechanism of a switch in which my invention is illustrated; 2 is a perspective of the detent device drawn to a larger scale; Fig. 3 is a rear elevation of the operating mechanism;
' and Fi 4 is a perspective of a modified form of detent.
The present invention will be readily 1111 E lerstood by those skilled in the art without llustrating the usual porcelain shell and its common accessories. The operating mechanism carried by the usual standard B, riveted to the yoke A' comprises an oscillating contact piece G mounted on the spindle D, and a cooperating rock lever E adapted to actuate the former through the spring S in the usual manner by means of lugs c and e embraced by the ends of the spring.
My improved detent as shown in Figs. 1 to 3 comprises a spring X mounted on the contact member and extending with the lug into the slot T in the standard. The slot T is provided with notches 2'; into which the spring X. naturally rises at the end of the stroke across the slot. Until the spring depressed by the cam shoulder c on the rock lever so as to clear the edge of the notch, it acts as a detent reventing the contact member from following the oscillation of the rock lever when the latter is actuated by the out ,push button, As soon as the spring X is pushed down to clear the edoe of the notch t, the contact member snaps across, thus insuring a quick break or make for the switch' To relieve the spring X of any unnecessary strain from the stroke of the switch it is made-slightly narrower than the lug 0 and Ivorksin a slight recess in the end of the fily device may be varied in detail con-' siderably without departing from my invention. For instance instead of making the lug c rigid. and securing thereto the spring X, I may make the lug c itself of spring metal and so form it that iteprings into the notches It in like manner as the spring X at the end of the switch stroke.
Other variations will readily suggest themselves and I do not limit myself to the details shown.
I claim as my invention- 1. In an electric switch ah oscillating contact-carrying member and a detent moving therewith, said detent. comprising a spring which itself acts directly as the retalning member, in combination with means for freeing said detent.
. 2. In an electric switch an oscillating contact-carrying member,-a standzird carrying the same and having a guide vay with retaining notches cut therein, a detent' movin with said contactcarrying member an working in said guideway, said detent comprising a spring which itself acts directly as the retaining member, in combination with means for freeing said detent.
3. In an electric switch, a: standard having a slot, an oscillatin contact-carrying' -memher, a rock lever an spring means for operating the former, u on the actuation of the latter, a log on sai contact-carrying member working in said slot, :1 spring extending lengthwise of 'saidlug and acting directl as a detent and means incombination wit said rock lever for freeing said detent, substantially as described.
4.. In an electric switch, a standard having a slot, an oscillatin her, a rock lever an spring means for operating the former u on the actuation of the contact-carrying memlatter, a lug on sai contact-carrying meniher working in said slot; a spring of less width than said lug extending lengthwise thereof, and acting dir'ectlyas a.detentand means in connection with said rock lever for freeing said detent, substantially as described.
5. In an electric'switch; a standard having a slot, an oscillatin contact-carrying memher, a rock lever an spring rneans for operating the former upon the actuation of the lattcr, a recessed lug on said contact-carry ing member working in said slot, :1 spring In testimony whereof I have signed my extending lengthwise of said lug and proname to th s specification, in the presence of vided with a guide tongue working in the two S ribing wltnesses.
recess in said lug, said spring acting directly LEMBERT H. MOULTHROP. 5 as a detent, together with means in connec- VV1tnesses:
tion vith said rock lever for freeing said de- G. W. GOODRIDGE,
tent ai bstantially as described. H. W. GOLDSBOROUGH.
US4623020?A Push-button electric switch. Expired - Lifetime US932883A (en)

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