_ Sept. 17, 1946. H. T. WINCHEL 2,407,804 RADIO CABINET AND SHOCKMOUNT BASE Filed April 5,- 1943 Ha /. 2‘ - /‘ 24 24 _\ INVENTOR. HENRY T. ,VIINCHEL "9M2 W 2,407,804 Patented Sept. 17, 1946 UNITED STATES PATENT OFFICE 2,407,304 RADIO CABINET AND SHOCKMOUNT BASE Henry T. Winchel, North Hollywood, Calif., assignor, by mesne assignments, to Bendix Aviation Corporation, South Bend, Ind, a cor poration of Delaware Application April 5, 1943, Serial No. 481,899 4 Claims. I (oi. 174-451) 1 2 This invention relates to radio cabinets, and more particularly to a combined shockmount and base I8 and the forward mounts are grounded radio cabinet, suitable for fabrication from sheet metal. shockmounts 24 may catch on the forward or It is an object of the invention to provide a cabinet and shockmount having a novel mount ing base which permits rapid installation and re moval of the radio cabinet. by a'jumper 26. Inasmuch as jumper 26 and right wall of mounting base ill, a guide 28 is provided which will be contacted by the mounting base, leaving jumpers 26 uninjured. . Secured to shockmounts 24 by screws 30 is a dished cabinet base 32. Screws 34 are threaded into hexagonal spacing posts 31 spun onto a Another object is to provide a mounting base for a radio cabinet permitting the locking of the 10 chassis 135 to hold the radio chassis 35 to base 32. Holes 36 are provided in mounting base l8 cabinet to the mounting base by a single turn of to permit access to and removal of the screws a thumbscreW. ' 34, so that the chassis 35 may be removed for Still another object is to provide a cabinet any desired purpose. Chassis 35 has two stub cover, which is secured to its base by the com bination of a pair of ?xed pin ?tting holes and 15 pins d6 spun thereon. Cabinet base 32 has a right or forward wall 38 terminating in an angle a single screw. member 40. Secured to angle 46 is a spring wire A further object is to provide a cabinet con t2 passing over a hole 44. struction wherein the cover meets the base with a flush contact. Placed over chassis 35 is a cabinet cover 48 20 having holes 50 in the rear or left wall whichv ?t over pins 46. Cover 48 makes a close con tact with dished base 32 and the construction tion and claims. , results in a ?ush contact of cover 48, with the In the drawing forming a part of this speci base 32. The right or forward end of cabinet fication: Figure 1 is an elevation view in full section of 25 cover 48 is held down by a screw 52 having a spiral slot which permits it to look upon spring the cabinet and shockmount of this invention. wire 42. Figure 2 is a sectional View of the cabinet The construction of the forward or right end along the lines 2-2 of Figure 1; and of the cabinet is shown in Figure 3. There it Figure 3 is a fragmentary sectional View of the 30 will be noted that the edges of front plate 38 cabinet along the line 3—3 of Figure 1. are backed by strips 39, permitting the edges of Referring to Figure 1, a sheet metal mount cover 48 to lie flush with the major portion of ing base H! of open top box shape may be secured face 38. A handle 56 is fastened to cover 48 to any desired structure; for example, the frame so that the entire cabinet and shockmount base of an airplane when the radio is for airplane use. Two tapered pins [2 are secured to the left 35 may be carried about as a unit. In operation, the cabinet 48 and S2 and shock or rear wall of mounting base id, as by spinning mount base l8 may be removed from mounting or riveting, and projecting inwardly. Fastened base ill by rotating thumbscrew 22 until it re to the right or forward wall of mounting base leases wire M. Handle 55 is then grasped and I0 is a length of spring wire 84 placed over a 40 the set moved manually forward until pins l2 hole It in that wall. are released, after which the unit is free of Adapted to be placed upon mounting base it mounting base lil. During this operation guide is a shockmount base !8, of inverted open box 28 may contact the right wal1 of mounting base construction. The left or rear wall of this base I E! preventing injury to jumper 26. ?ts inside of mounting base id, but the other If it is desired to remove cover 56, a screw three walls ?t outside mounting base l0. Holes 45 driver is used to rotate screw 52 to unlock wire 20 in the left or rear wall ?t over pins l2 to 42 from screw 52 and the cover at is rotated hold the shockmount base iii to mounting base about pins 45 until the right corners of chassis I0. On the right wall of shockmount base 18 is 35 are cleared. Then the cover 48 is moved to a thumbscrew 22 having a spirally slotted shank such as to receive spring wire l4 and lock upon 50 the left releasing it from pins 4%, whereupon it is free to be removed. If it is desired to remove that wire when rotated, as well known in the the chassis; screws 34 are removed, allowing the art. Thumbscrew 22 is oppositely rotated to re chassis to come free of all other structural parts. lease wire l4, and thereafter the cover l8 may Although the invention has been described with be moved forwardly, or to the right, to be released from pins l2. Shockmounts 24 are secured to - reference to a particular embodiment thereof, Other objects and advantages of the inven tion will be apparent in the following descrip 2,407,804 3 it is not intended to limit the invention to this embodiment, or to the description, or otherwise except by the terms of the following claims. I claim: 1. A radio cabinet mounting comprising a shockmount base in combination with a mounting base, said mounting base including inwardly pro jecting pins, and means to which a screw may be fastened, said shockmount base comprising a 4 outer surface of the other side wall of the mount ing base and includes screw-type securing means for detachably securing said last-mentioned walls together, whereby said shockmount base is re movable from said mounting base following dis engagement of said securing means by sliding movement to disengage said holes from said pins, said shockmount base having shockmounts se cured thereto and extending therebelow, a downwardly projecting surface having holes 10 grounding jumper connecting at least one of said therein to match said pins, and screw means to shockmounts to said plate and extending there engage said screw fastening means. below, and a shielding member extending over 2. A mounting base for use with a shockmount said jumper to protect it from injury during base having downwardly-extending side walls at movement of said shockmount base to detach it opposite edges, one of which side walls has holes ‘ from said mounting base. therein, and the other of which has a screw type securing means, said mounting base com prising a shallow, open-top box having one up 4. A radio cabinet mounting having on the under side thereof a shockmount base having downwardly-projecting side Walls at opposite wardly-extending side wall with pins projecting edges thereof, a mounting base including a floor inwardly for engaging the holes in the one side 20 member having upwardly extending walls at op wall of the shockmount base and having an op posite upwardly-extending wall containing means for engagement by said screw-type securing posite edges thereof, one of which is adapted to be positioned exterior of one of said down wardly projecting walls on the shockmount base, means of the shockmount base. and having pins projecting inwardly therefrom, 3. A shockmount base adapted to be secured to 25 holes in said one downwardly-extending wall for a mounting base having opposite upwardly extending side walls, one of which contains in» engagement by said pins, the other downwardly extending wall of said shockmount base being adapted to rest against the outer surface of the other upwardly-extending wall of the mounting wardly-extending pins, and the other of which contains means for engagement by screw-type securing means; said shockmount base compris 30 base, and screw-type securing means on said ing a plate having downwardly extending side other downwardly-extending wall, and means for walls at opposite edges, one of which side walls engagement by said screw-type securing means has holes therein adapted to engage said pins on said other upwardly-extending Wall for secur of the mounting base when positioned within ing said other walls together. the wall containing said pins, and the other of , which side walls is adapted to rest against the HENRY T. WINCHEL.