US1798170A - Latch - Google Patents

Description

March 31, 1931. G E 'ROEDDWG 1,798,170

LATCH Filed July 13, 1929 (y ATTORNEYS Patented Mar. 31, 1931 UNITED STATES new@ y 'PATENT OFFICE i GORDON EUROEDDING, OF GRAND RAPIDS, MICHIGAN, ASSIGNOR T0 GRAND` RAPIDS BRASS COMPANY, 0F GRAND RAPIDS, MICHIGAN LATCH Application led July 13,

The main object of this invention is to provide a latch having few parts'which are economical to produce and assemble.

A further object is to provide a latch which 5 is compact in structure' and, although made of light material, is strong and durable.

ObjectsL pertaining to details andeconomies of my invention will definitely appear from the description to follow. 'Ihe invention is defined in the claims.

A structure embodying the features of my invention is clearly illustrated in the accompanying drawing, in which:

Fig. 1 is an inverted view of my improved latch, the bolt being shown in retracted position by dotted lines and the handle or actuating lever being partially broken away.

Fig. 2 is a fragmentary view mainly in longitudinal section of my improved latch mounted upon a door.

Fig. 3 is a fragmentary inverted view showing the bolt in retracted position.

Fig. 4 is a fragmentary inverted perspective view of the lever. f Y

Fig. 5 is-a fragmentary inside perspective view of the latch housing.

Fig. 6 is a fragmentary perspective view of the bolt actuating spring.

In the embodiment illustrated the latch housing 1 formed as a sheet metal stamping is provided with an opening 2 in its front wall 3 and an opening 4 in its rear wall 5. These openings are disposed in opposed relation.v A pivot supporting flange 6 projects inwardly from the upper edge of the opening 4, this flange being formed of the portions struck out of the wall to form the opening.

The bolt 7 is slidably mounted in these openings 2 and 4 with its front end projecting to engage a keeper as 8 which is shown in Fig. 2 and is mounted upon the casing 9. The latch is mounted on the door 10.

The actuating lever 11 is provided with a hand piece 12 and is arranged through the rear opening 4 in superimposed or overlapping relation to the bolt. This lever is provided with a pivoted stud 13 engaging a pivot opening 14 in the flange 6, thereby pivotally supporting the lever. The lever is also pro- 19'29. serial No. 377,989.

cam member 16 formed in the bolt, preferably by means of a triangular opening 17, as in the embodiment illustrated. f

The cam member 16 is arranged'with its apex rearwardly so that asthe lever is oscillated or swung from its normal central position, the lug riding upon one or the other of ,the camv faces retracts the bolt. The .bolt is Aprojected and the lever is held yieldingly in central position by means of the spring 18 preferably. S-shaped as illustrated. Y 1 One arm of the spring is provided with a ,finger 19 engaging the notch or recess 20 in the front edge of the'opening 17 and the .other arm of the spring has a rectangular loop-like offset 21 engaging in a transverse slot or elongated opening 22 in the actuating lever. This openin 22 is centrally disposed .relative to the longitudinal center of the le- .ver so that as the lever is rocked from its central or normal position, the thrust on the bolt yis through one or the other of the arms 23 of the offset or loop, and is thereby thrown 'off 'the center of the Vlever so that the spring acts to return the lever to its central or initial position, as well as to project the bolt as soon as permitted by the return of the lever to its central position. y

The parts of V'my improved latchare very economical to produce, may be formed mainly of stampings and-'are very easily assembled. y Y e I have not attempted to illustrate and describe certain embodiments andadaptations Ywhich I contemplate as it is believed that this disclosure will enablethose skilled inthe art to embody or adapt my improvements as may be desired. l Having thus describ'edmy invention what 'I claim as new and desire to secure by Letters Patent is: A

1. In a latch, the combination of a housing fprovided withopposed openings in its front and rear walls, the opening inthe rear wall having an inturned pivot supporting flange at its outer edge, a bolt slidably mounted'in said openings and provided with a `triangular cam opening disposed with its apex rear- Wardly and having` a central notch in` its hold said lever in its initial position and to` project said bolt.

2. In a latch, the combinationr of a housing provided with opposed openings in its iront and rear walls, a bolt slidably mounted in said openings and provided With a tri-angular cam opening disposed With its apex rear- Wardly and having a central'notch in its front edge, a pivoted actuating lever disposed through the opening in the rear Wall of the housing in overlapping relation to said bolt and provided with a stud engaging said Ycam openinginsaid bolt, said lever having a centrally disposed transverse. slot, and an S- With said lever and acting to normally hold said lever in a central position and to project said bolt.

6. In a latch, the combination of a housing, a bolt slidably mounted in said housing and provided with a V-shaped cam disposed with its apex rearwardly, an actuating lever pivotally mounted in said housing and provided with a lug .engaging said cam, and spring means acting to project said bolt and hold said lever in central position.

7. In a latch, the combination of a housing, a vbolt slidably mounted in said housing and providedivith ai cam, an actuating lever pivotally mounted in said housing andprovided with a lug engaging said cam whereby said bolt is reciprocated onthe swinging of the lever, and a spring engaged with said bolt and said lever and acting' to normally hold said lever central. position and tao-,project said bolt. I n

In Witness whereof I havehereuntoset my hand.v f

f `GORDON E. ROEDDING:

shaped spring having one arm engaged in Y said notch in said. bolt and a loop-like oiiiset in its other arm engaged in said slot in said lever and acting to yieldingly hold said lever in its initial position and to project said bolt.

3. In a latch, the combination of a housing provided with opposed' openingsV in Vits front and rear Walls, the opening in the rear Wall Y having an, inturned pivot supporting flange at itsv outeredge, a bolt slidably mountedin said openings and provided with a triangular .canal opening disposed with its apex 'rearward ly, anl actuating lever disposed through the opening in the rear yWall of the housing in overlapping relation to said bolt and provided With a pivot engaging said pivot supy porting iange and Witha stud engaging said cam opening in said bolt, and spring means acting to yieldingly hol'd said lever 4. In a latch, the combination of a, hous- L in its initial position and to project said bolt.

ing vprovided With opposed openings in its 'i front and rear Walls, a bolt slidably mounted in said openings and provided. With atriangular cam opening disposed with its apex rearwardly, an actuating lever disposed through the opening in the rear Wall' of' the housing in overlapping relation to said bolt and providedivith a stud engaging said cam opening in said bolt, and spring means acting to yieldingly hold saidlever in its initial position and tot project saidbolt.

5. In a latch, the combination of a housing, ay bolt slidably mounted in said housing and provided With a V-shaped cam disposed with its apex rearwardly, an actuating lever pivotally mounted i-n said housing and provided With a lug engaging said cam, and

a curved spring, one arm of Whichl is operatively engaged' with said bolt and theother iio

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