US1847705A - Door prop - Google Patents

Description

March 1, 1932. c. QR E 1,847,705

noon PROP Filed Aug. 5, 1931 Invgnfor, Charles Yorgar,

Patented Mar. 1, 1932 CHARLES YORGER, OF INDIANAPOLIS, INDIANA DOOR PROP Application filed August 5, 1931.

This invention relates to the art of door props and has for one of its primary objects the provision of a prop that may be attached to a door to be carried thereby and to be easily operable by raising and lowering a button by hand. i

primary object of the invention also is to provide a door prop structure to be automatically operable upon the releasing of the L0 prop from an upper position.

A further object of the invention is to provide meansfor retainingthe lower part of the prop against the door when not in use. a A still further object of the invention is to provide a door prop'structure that can be produced at a low cost and that will be durable and effective over a long period of time. These and other objects such as the par- 7 ticularly unique combination of the specific elements as set forth in the accompanying claims for the purpose of producing a better operating prop, will become apparent in the following description of the invention as illustrated in the accompanying drawings. Fig.1 is a fragmentary side elevation of a door prop embodying my invention,,the prop being in the lowered operative position; ig. 2, a side elevation of the prop in inoperative position.

Fig. 3, a front elevation of a raised position and Fig. 4, a transverse section on the line 44 in Fig. 3.

Like characters of reference indicate like 35 parts in the several views of the drawings.

Within a channel bar 10 I slidably mount and retain a plate 11 by turning the legs of the channel bar inwardly and over the plate and thence outwardly to leave the central portion of the plate exposed from the front. To the upper end of the plate 11 I secure a leaf spring 12 and secure to the upper end of the spring a button 13. g The spring 12 is carried upwardly beyond 5 the button 13 somewhat to be rolled over the transverse pin 14 which is sufficiently long to have its ends project beyond the spring 12 to bear against the outer edges of the channel her legs. The normal tendency of the 1 spring 12 is to return against the front face the door prop notches 15 extend Serial No. 555,256,

of the plate 11 whereby the pin 14 is yield ingly held against the channel bar legs.

Toward'the upper end'of the channel bar 10 I cut a notch 15 through each of the channel bar legs at the same elevation whereby the pin 14 may dro therein upon being raised to that height. paced downwardly from the notches 15 at an appreciable distance, I" form similar notches 16 at the same elevation in each of the channel bar legs. The channel bar legs are so formed that the lower edges of the notches 16 and the upper edges of the outwardly so as tointercept the 'pin 14 to prevent its being carried past thesenotches in the respective-direetions of travel theretoward.

A pin 17 is slidably passed through the spring 14 and secured in the plate-11 as a means for limiting the outward travel of the spring 12 away from the plate 11.-

A bar 18 is hinged by its upper end-to the lower end of the plate 11 in such a manneras to permit the plate 11 to be raised and lowered freely within the channel bar' 10. The lower end of the bar 18 passes through a limiting plate 19, the rear end of which is upwardly turned and bent around somewhat toward the rear side of thebar 18. The lower end of the bar 18 is preferably pointed to cause it to bite into the ground or against the pavement over which it may slide when in use. The pin 17 sufliciently limits the outward travel of the spring 12 whereby the cross pin 14 may not be carried outwardly past the stops at the upper and lower sides of the notches 15 and 16 respectively.

The channel bar 10 is attached in-a vertical position to a door 20 on the inner side thereof to have the lower at adistance above the floor or ground level lessthan the length of the bar 18. vlVhen the door 20 is to be opened and proped back, the button13 is pulled outwardly to carry the crosspin 14 out of the upper notches 15, Fig. 2. and is released to allow the bar 18 to drop downwardly by gravity as the door is swung open. As the door travels outwardly, the lower end of the bar 18 will drag over; the ground to allow it to trail back of the door and permit the plate 11 to drop down end of the bar 10 BI per and lower notches in the swung open,

wardly until the crosspin M drops into the notches 16. The plate 11 can not then travel upwardly or downwardly and hence the upper end of the bar 18 is fixed relatively to the door 20. If the ground is sufficiently soft, the lower pointed end of the bar 18 will dig into the ground upon any return movement of the door-20, the penetration of the bar 18 being limited by the plate 19. With the bar 18 thus anchored by its lower end in the ground and its upper end prevented from traveling upwardly the door 20 is securely held in the open position. Now when the door 20 is to be closed, have to be picked up byhand'or foot but the button 13 is pulled outwardly slightly to pull the pin 14 from out of the notches 16 whereupon the button 18 may then be raised to bring the pin 1 L up and into the notches 15. While the button 13 is thus being raised, the bar 18 is also being lifted and theupturned rear end of the-plate 19 is brought up under a retaining plate 21 which is secured to the door 20. Thus it is to be'seen that by simply pulling out and releasing the button 13 from the upper position, the bar goes lntothe prop position as the door is button 13 to the upper position, the bar 18 is also returned to the upper position and has its lower end held toward the door to prevent its swinging about to damage the door or strike the person who is operating the door.

While I have here shown and described my invention in the form as now best known to me, it is obvious that structural changes may be made without departing from the spirit of the invention, and I therefore do not desire to be limited to that precise form or any more than may be required by the following claims.

I claim:

1. In a door prop, a vertically sliding plate attached to the door, a bar hinged to the plate normally hanging downwardly therefrom,

means for retaining said plate in either a raised or a lowered position, said bar near its lower end, and a plate fixed on the door adapted to engage the bar end plate when in its raised position.

2. In a door prop, a channel bar, a plate slidably retained in the bar between the legs thereof, a spring fixed to the bar, a transverse pin carried by the spring to slide over the legs of said channel bar, said bar having upper and lower notches in the legs into which said pin may drop, and a ground contacting bar hinged to said plate normally swinging downwardly therefrom.

a' plate on the 3. In a door prop, a channel bar, a plate slidably retained in the bar between the legs thereof, a spring fixed to the bar, a transverse pin carried by the spring to slide over the legs of said channel bar, said bar havinguplegs into which the bar 18 does notv 1 8 automatically.

and that upon returning the.

said pin may drop, and a ground contacting bar hinged to said plate normally swinging downwardly therefrom, said channel bar being fixed to av door, a plate on the door, and a member on the ground bar adapted to engage said door plate when the ground bar is in the raised position.

a. In a door prop, a vertically disposed channel guide to be fixed to the door, a plate reciprocatable along the guide, a spring fixe to the plate, apin having ends extending laterally of and carried by the spring, said guide having spaced apart notches in its legs adapted to receive said pin ends therein under the urge of said spring, and a bar hinged to said plate to swing therefrom.

5. In a door prop, a vcrically disposed guide to be fixed to the door, a plate recipro catable along the guide, a spring fixed to the plate, a pin carried by the spring, said guide having spaced apart notches therein adapted to receive said pin therein under the urge of said spring, and a bar hinged to said plate to swing trierefrom, and means for holding bar-from swinging when in its raised position. a r

g 6. In a door prop, guide to catable along the guide, a s ,ring fixed to the plate,a pin carried by the spring, said guide having sp ced to receive said pin therein under the urge of said spring, and abar hinged to said plate to swing therefrom, and means for holding said bar from swinging when in its raised position, said means comprising a member projecting from the bar and a plate on the door to be engaged by the said member when the bar is raised.

In testimony a vertically disposed CHARLES YOR-GElt.

be fixed to the door, a plate recipr0- apart'notches therein adapted

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