Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
157 words
A portable battery operated electric device including in combination, a first housing part containing electrically energizable equipment therein, a second housing part for containing a battery therein, said first and second parts having means for detachably interconnecting the same including, an unsymmetrical projection on one part and a mating opening in the other part, said projection and said opening having a first relative position wherein said projection is insertable into said opening and a second rotary displaced relative position wherein said projection is retained in said opening, and an elongated arcuate-shaped rib in fixed position on one of said housing parts and a slot in the other housing part for receiving said rib, said rib being moved into locking engagement within sAid slot as said projection is rotated to said second position within said opening, said rib and said slot having configurations such that said rib is held by said slot throughout the length of said rib.
Claim 2
Dependent Claim
157 words
A portable battery operated electric device including in combination, a first housing part containing electrically energizable equipment therein, a second housing part for containing a battery therein, said first and second parts having means for detachably interconnecting the same including, an unsymmetrical projection on one part and a mating opening in the other part, said projection and said opening having a first relative position wherein said projection is insertable into said opening and a second rotary displaced relative position wherein said projection is retained in said opening, and an elongated arcuate-shaped rib in fixed position on one of said housing parts and a slot in the other housing part for receiving said rib, said rib being moved into locking engagement within sAid slot as said projection is rotated to said second position within said opening, said rib and said slot having configurations such that said rib is held by said slot throughout the length of said rib.
Claim 3
Dependent Claim
54 words
A device in accordance with claim 1 wherein said projection has a projecting lip and said opening has a cut-out for allowing passage of said lip when said parts are in said first position and said opening has a cavity for receiving and retaining said lip when said parts are in said second position.
Claim 4
Dependent Claim
35 words
A device in accordance with claim 2 wherein said rib has a wedge shaped cross-section with the greater thickness at its extremity, and said slot has a complementary cross-section to receive and retain said rib.
Claim 5
Dependent Claim
24 words
A device in accordance with claim 1 wherein said projection is of cylindrical shape and said arcuate shaped rib is concentric with said projection.
Claim 6
Dependent Claim
39 words
A device in accordance with claim 4 wherein said projection and said rib are on said first housing part, and are spaced from each other to provide interconnection between said first and second housing parts at two spaced areas.
Claim 7
Dependent Claim
20 words
The device of claim 1 wherein said means for detachably interconnecting said housing parts are formed integrally with said parts.
Claim 8
Dependent Claim
25 words
The device of claim 1 wherein said housing parts are molded of plastic material with said means for detachably interconnecting the same integrally molded therewith.
Claim 9
Dependent Claim
21 words
A device in accordance with claim 1 wherein said second housing part is molded of plastic material with battery means therein.
Claim 10
Dependent Claim
29 words
A device in accordance with claim 1 wherein said housing parts are die cast in metal, with said means for detachably interconnecting the same formed integrally with said parts.
Claim 11
Dependent Claim
55 words
A device in accordance with claim 1 wherein said first and second parts include electrical contacts, with the contacts on one part being spring biased to provide wiping engagement during movement of said parts from said first position to said second position, and providing spring biased engagement when said parts are in said second position.
Claim 12
Dependent Claim
43 words
A device in accordance with claim 1 wherein said second part includes contacts for connection to a battery therein, and said first part includes spring biased contacts for engaging said contacts on said second part when said parts are in said second position.
Claim 13
Dependent Claim
26 words
A device in accordance with claim 1 further including a latch for latching said parts against relative rotation when said parts are in said second position.
Claim 14
Dependent Claim
73 words
A device in accordance with claim 12 wherein said latch includes a slide connected to said first housing part and having a projection adapted to engage a notch on said second housing part when said parts are in said second position, said slide being adapted to be moved to a position wherein said projection is clear of said notch to permit rotation of said parts from said second position to said first position.
Claim 15
Dependent Claim
40 words
A device in accordance with claim 13, wherein said projection extends into said slot, and said notch is formed in said rib, with said latch including means biasing said slide in a position to move said projection into said notch.
Claim 16
Dependent Claim
34 words
A device in accordance with claim 14 wherein said rib has a slanting end for engaging said projection to move the same to a position to permit movement of said rib into said slot.
Claim 17
Dependent Claim
137 words
A connecting device for mechanically interconnecting a pair of separable parts including in combination, a cylindrical projection on one part having a projecting lip at the extremity thereof, a cylindrical opening in the other part for receiving said projection and having a recess into which said lip can be inserted and a cavity for receiving said lip when said cylindrical projection is rotated within said opening, an elongated arcuate-shaped rib concentric with said projection in fixed position on one of the parts and having a wedge shaped cross-section with the greater thickness at the extremity thereof, and an arcuate slot in the otHer part having a cross-section complementary to that of said rib for receiving said rib as said projection is rotated within said opening, said slot holding said rib therein throughout the length of said rib.
Claim 18
Dependent Claim
137 words
A connecting device for mechanically interconnecting a pair of separable parts including in combination, a cylindrical projection on one part having a projecting lip at the extremity thereof, a cylindrical opening in the other part for receiving said projection and having a recess into which said lip can be inserted and a cavity for receiving said lip when said cylindrical projection is rotated within said opening, an elongated arcuate-shaped rib concentric with said projection in fixed position on one of the parts and having a wedge shaped cross-section with the greater thickness at the extremity thereof, and an arcuate slot in the otHer part having a cross-section complementary to that of said rib for receiving said rib as said projection is rotated within said opening, said slot holding said rib therein throughout the length of said rib.
Claim 19
Dependent Claim
29 words
A device in accordance with claim 16 further including a latch for holding said parts in position with said lip within said cavity and said rib within said slot.
Claim 20
Dependent Claim
44 words
A device in accordance with claim 17 further including electrical contacts on the parts for making electrical connection therebetween, with said contacts being engaged upon movement of said parts so that said lip is within said cavity and said rib is within said slot.