US2489648A

US2489648A - Key operating implement

Info

Publication number: US2489648A
Application number: US5448A
Authority: US
Inventors: Koffler Samuel
Original assignee: IRVING A OREMLAND
Current assignee: IRVING A OREMLAND
Priority date: 1948-01-30
Filing date: 1948-01-30
Publication date: 1949-11-29
Anticipated expiration: 1966-11-29

Description

Nov. 29, 1949 S. KOFFLER KEY OPERATING IMPLEMENT Filed Jan. 30. 1 948 INVENTQR Jamaal K off Z81.

ORNEY Patented Nov. 29 1949 #15 UNITEID KEY oPERA'rINdnvrrLEMENT Samuel Koflier, Brooklyn, assignorof one half to Irving A. Ore-mland, New York, l I. Y.

Applicationllanuary 30,1948, Serial No. 5,448

{specially designed locks.

Locks'ofthis character are often incorporated with coin controlled vending units that comoperation; such as the movable parts of'some 2 Claims. (cl; air-121) prise a receptacle containing articles to be sold,

and mechanically delivered to the buyer after the deposit of a coin; which allows part of the contents to be discharged from the receptacle. To open and close a lock of this kind with a key by hand, when the receptacle needs refilling, is difiicult and laborious, especially to an attendant who must visit and service a number of such receptacles in difierent places; and it is an important object of this invention to provide a simple, inexpensive, and easily handled device by which the turning of the key for such locks can be facilitated.

The nature of the invention is described at length herein, and illustrated on the drawings, but the disclosure is explanatory only, andvariations not shown in the drawings may be adopted without deviation from the essential construction in which the invention actually resides.

On said drawings,

Figure 1 shows a receptacle having a lock with an implement according to my invention in position to operate the key thereof; the implement being shown in section.

Figure 2 is a longitudinal section of the implement on a larger scale; and

Figure 3 is an end view thereof.

The numeral I indicates the metal base of a receptacle and secured to the base is the body 2 of glass or other transparent material to permit a view of the contents. The body has a removable top 3, and within the body is an upright central rod 4. At the upper end of the rod is a lock casing 5, and this casing receives a plug with a slot for the insertion of a key 6. The lock may be of any suitable design or construction and need not be more fully shown or described except to state that the casing and the key plug are so related and connected to the top 3 and rod 4 that, when the key turns the plug in one direction, the top is held fast; and when rotated in the opposite direction the top is released. The receptacle is filled with candies or nuts, for example, and has a coin slot and delivery mechanism, not shown, but working in the usual way to discharge a measured quantity whenever a coin is put into the slot and the delivery mechani sm, which is controlled by a-lever within reach ."of the customer, is actuated.

invention residesprimarily in the appliiance illustrated byitself in Figures 2 and 3. In vending receptacles of this type, the locko ften is "such as to require a"n'umberof turns before the top 3 is released. My improvement makes easy the rapid rotation of the key and simultaneously lubricates the inside of the lock. It comprises a hollow shank 1 with an enlarged head 8 at one end. The interior of the shank communicates through a port or duct 9 with a transverse slot II] in the head 8 to receive the fiat knob on the outer end of the key 6. The shank contains powdered graphite or parafiin or other suitable lubricant which escapes, a little at a time, through the port 9.

The other end of the shank is closed by a removable closure in the form of a screw plug ll having a rigid stem l2 for engagement by a tool capable of revolving the shank, head and key quickly till the top 3 is unlocked. The stem l2 has a shouldered end and a recess I3 in the side or is otherwise shaped to fit into the rotatable chuck l4 fixed to the rotatable shaft l6 of a tool such as is often used for screw drivers. The shaft has spiral grooves or slots in its outer surface and a slidable handle IS with an internal projection that engages the grooves in the shaft I 5. This kind of tool is well known, and is utilized for putting in screws by inserting the stem of a screw driver in the chuck I4, placing the screw driver into the kerf of the screw and pressing down on the handle I6. The shaft 15 and the screw driver are then revolved by the action of the projection, not shown, in the handle, on the spiral grooves in the shaft !5. When the stem [2 of the nut H is connected to the chuck I4 and the head 8 is slipped over the key 6 the same result is obtained. As the handle is pressed down, the chuck is revolved by one of the grooves in the shaft l5 to turn the key to unlock the receptacle. When pulled up, the handle acts through the other spiral groove in the shaft IE to rotate the chuck l4, head 8, and key 6 in the opposite direction to secure the top 3 by means of the lock 5.

The head 8 has a cover element or sleeve I! with an inside groove I8 adjacent one end. The adjacent end of the head 8 has an outside groove I9, and the parts are connected by an expanding split ring 20 in the two grooves. The ring is slipped upon the head 8 till it seats in the groove l9, the sleeve I! slipped on the head till the groove l8 registers with the ring 20, which then expands into the groove l8. The ring is thick enough to project into the groove I9. The sleeve I1 is thus rotatably held on the head, and cannot be disconnected. When the handle [6 is operated, the operator holds the sleeve with one hand to keep the head 8 in engagement with the key 6.

The receptacle has a delivery spout 2| on the outside of thebase with a pivoted lid or cover 22.

Whenever the key 6 is turned to open or close the look, some of the powdered lubricant shaken down through the port 9 into the recess 10 and enough runs down the sides of the key to enter the key hole of the lock, 5., the lock is maintained in good working condition Having described my invention, What I be l v' e tobenewis: I l. A device of the kind described comprising;

a hollow shank with a head rigidly attached to encircling the head, the sleeve and head having matched grooves, and a retaining ring engaging said grooves to secure the sleeve rotatably upon said head.

2. A device of the kind described comprising a hollow shank with a head having a recess at one end and a duct connecting the inside of the shank to said recess, the shank having a closure at the opposite end, and a rigidly connected stem pr ojecting, from the closure and shaped to be engaged by a tool for rotating the device, and a rotatable element mounted on the Number Name Date 86am K9 O la 19W 8732,93 7 Eegley Mar. 24,19 a 9135,087- Wilson Feb. 21, 1911 1,425,270 Morgan Aug. 8, 1922 1,815,755 Armstrong July 21, 1931