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Publication numberUS758478 A
Publication typeGrant
Publication dateApr 26, 1904
Filing dateJun 25, 1903
Priority dateJun 25, 1903
Publication numberUS 758478 A, US 758478A, US-A-758478, US758478 A, US758478A
InventorsJoseph H Rusby
Original AssigneeJoseph H Rusby
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Electric switch.
US 758478 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

No. 758,478. l PATENTED APR. 26, 1904. J. H. RUSBY.



2 sums-SHEET I.

INVENIOR ATTORN EY TH: Nonms PETERS cc. PHoraLxrno.. wAsHmaToN, n. c,

No. 758,478. PATENTBD APR. '26, 1904.

' J. H. RUS'BY.



wnNEssEs: mvENTCR Jose/ HRM 555/ n l; l I v ATTORNEY vPatented April 26, 1904'.




SPECIFICATION forming part of Letters Patent No. 7 58,47 8, dated April 26, 1904.

Application filed June 25, 1903.

To all whom, it may concern.-

Be it known that I, J osEPH H. RUsBY, a citizen of the United States, residing at Nutley, in the county of Essex and State of New Jersey, have invented new and useful Improvements in Electric Switches, of which the following is a specification.

' This invention relates to a switch-support enabling satisfactory mounting to be readily accomplished.

rlhe invention resides in the novel features of construction set forth in the following speciiication and claims and illustrated in the annexed drawings, in which- Figure l is a side elevation of the switch sectioned along m, Eig. 3. Fig. 2 is a section along y y, Fig. 3. Fig. 3 is a front elevation of the switch, the cover being removed. Fig. 4L is a section along a a, Fig. 3. Fig. 5 shows a contact open or broken. Fig. 6 shows supporting-lugs. Fig. 7 showsv a sheath or box. Eig. 8 shows a modification. Fig. 9 shows the construction of a sheath and its adjustment or its adjustability.

1n the drawings is shown a suitable support a, such as an outlet-box or wall or other supporting means. By suitable connecting means, such as lugs 10 and screws 11, a shell 12 is connected to support a. The switch or its frame or body I) and shell 12 are connected by lugs @and screws d. rljhe lugs c are each connected to the switch I) by a screw e with second lug 13, suitably tapped for engagement by screw 14 in said switch b and lug 13. Said lug 13 can also be tapped for screw g, holding cover f in place.

By suitable head and washer located on opposite sides of lug 13, Fig. 6, the screw e can be held in the lug so as to turn, but not screw or move longitudinally therein, while lug c is shown tapped for adjusting or longitudinal movement of screw e and lug c, respectively.

The lugs 13 and c are shown as being shouldered or offset and as being each fitted or seated, respectively, against or in the offset of the other lug. The lug c can be swung about screw e, so that lateral or twisting adjustment of switch b is possible for bringing the same to a desired or accurate position. By turning screws e one Serial No. 163,111. (No model.)

way or another a proper leveling of the switch can also be eifected.

,The switch-frame I) has bearings or plates z',

tively have the white and dark face familiar in some switches; but this is not material to the invention. Shaft 7c has an oscillating member or extension It" with plunger s, having tail s@ seated in part Zc, and a spring t at its lower portion for holding the plunger s to lever 3. An antifriction-roller 15 can be applied to lever 3 to act against the plunger'. The buttons 6 and lever 3 are shown with pin-and-slot connections, and the stems or pins of the buttons extend to guides 16 for maintaining rectilinear movement of the button-pins as they move in and out. The loose connection between the buttons and lever 3 allows the latter to swing as the buttons are respectively pushed.

r1`he blades m when in or out of touch with posts g make or break the contact or circuit. These blades are moved into and out of contact as the lever 3 swings, as presently explained. Two sets of blades are shown; but the description of one explains the other. Any number or series of blade sets can be applied.

The blades m are shown swinging or fulcrumed to a base piece or plate 17 The blades are bent to form hollow pintle or hinge portions at base 17, and when these hollow pintle parts have been inserted into their seats in base 17 and then suitably expanded or enlarged by a spreader or the like such bladehinges secure irm contact with and are prevented from displacement in the seats 17.

The rock-shaft is has an insulating-hub 8, and arms or links 18 connect the blades m and the hub. As the lever 3 or its roller 15 rides back and forth on the plunger s the shaft 76 and blocks 8 are rocked to move links 18 for causing the blades to make and break contact. The blades m are shown with a branch or upper lip or hook part which extends over or scrapes and scours the post or terminal q as the blade moves to and from the same. The contact parts are thus automatically kept in clean or proper condition. can be applied at posts q.

The switch 7) is shown with a sheath 19, Fig. 7, surrounding' such insulating-shell This sheath can be made of one or more pieces or of sections which can be adj ustably connected, for eXample, by pin-and-slot connection, as indicated at 20, so that the sheath can be fitted to snug'ly clasp or sit about the body 7). The sheath can thus be adjusted about varying' sizes of switches. The sheath is of less depth than the space occupied by the switch-bod y so as to leave part of the insulating-shell project beyond the sheath. Such sheath protects or strengthens the porcelain or material of the switch and protects the surroundings of the switch 4from damage.

Instead of a screw or adjustable swing connection, such as screw e for lug c, a lug c', Fig. 8, can be provided, having simply a swing or pintle connection e not adjustable or adapted for leveling.

rlhe coverf could be made of glass, so as to be adapted for being decorated or provided with ornamental or othermatter. 11de not herein make any claim to subjectmatter secured by United States patent application, Serial No. 99,177, filed March 20, 1902.

That I claim as new, and desire to secure by Letters Patent, is#- l. A switch-support comprising a swinging projecting' lug and a second lug seated or fitted in the first lug.

2. A switch-support comprising a lug' having an offset and a swinging adjustable lug seated in the offset.

3. A switch-support comprisingaswinging projecting lug and a second lug' seated or fitted in the first lug, said second lug being' tapped for the reception of an adjusting-screw.

4i. A switch-support comprising a swingingI projecting lug and a second lug seated or fitted in the iirst lug, said second lug being tapped for the reception of cover securing and adjusting screws.

Binding-screws 0 5. A switch comprising a lever, a contact Yactuator moved by the lever, push-buttons for the lever, gmde-pins for and projecting rear-I wardly from the buttons, and tubular guides for maintaining' rectangular movement of the pins, said push-buttons and lever having a loose connection andsaid guides arranged at the rear of said loose connection.

6. A switch comprising blades bent to form a hollow pintle portion and a base-plate in which the pintle portions are mounted.

7. A switch comprising blades bent to form a hollow pintle portion and a base-plate in which the pintle portions are mounted and in which they have been suitably expanded to secure firm contact or friction and prevent displacement.

8. A switch comprising' single blades, each of which has a hooked end, separate posts for each of the blades, a rock-shaft having an insulated hub and arms for connecting the blades and hub, and a base-plate acting' as a fulcrum for the forward end of the blades, said fulcrumed ends of the blades being substantially circular and freely movable in said base-plate.

9. A switch comprising' an insulating-shell and a sheath, said sheath being' composed of two sections with pin-and-slot connection so as to be adjustable or extensible for varying the size of the sheath.

10. A switch comprising an insulating-shell and a sheath, said sheath being composed et' two sections with pin-and-slot connection so as to be adjustable or extensible for varying the size ofthe sheath, said sheath being of less depth than the space occupied by the switch so as to have a part of the insulating-shell project beyond the sheath.

In testimony whereofI l have hereunto set my hand in the presence of two subscribing witnesses.

JOSEPH H. RUSBY. Witnesses:

E. F. KAs'r'ENI-IUBER, GnAs. E. PonNsenN.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US5688231 *Sep 30, 1994Nov 18, 1997Becton Dickinson And CompanyDrug delivery system
Cooperative ClassificationH01H23/12